

| Village | Number of literate | Number of employed people |
| A | 512 | 648 |
| B | 408 | 576 |
| C | 360 | 624 |
| D | 288 | 480 |
| E | 312 | 384 |
Since, number of literate females in village ‘C’ is 105% of total number of employed people in village ‘D’ and
62.5% of total population of village ‘C’ is illiterate.
So, number of literate females in village ‘C’ = 1.05 × 480 = 504
Total number of literate people in village ‘C’ = 504 + 360 = 864
Total population of village ‘C’ = \(\frac{864}{0.375}\) = 2304
Total population of all the five villages together = (\(\frac{2304}{103.68}\)) × 360 = 8000
Total population of village ‘A’ = (\(\frac{77.76}{360}\)) × 8000 = 1728
Total population of village ‘B’ = (\(\frac{69.12}{360}\)) × 8000 = 1536
Total population of village ‘D’ = (\(\frac{56.16}{360}\)) × 8000 = 1248
Total population of village ‘E’ = (\(\frac{53.28}{360}\)) × 8000 = 1184
Since, Number of males in village ‘C’ is 26% more than number of un-employed people in village ‘E’.
So, number of un-employed people in village ‘E’ = 1184 – 384 = 800
So, number of males in village ‘C’ = 1.26 × 800 = 1008
Number of females in village ‘C’ = 2304 – 1008 = 1296
Number of illiterate males in village ‘C’ = 1008 – 360 = 648
Number of illiterate females in village ‘C’ = 1296 – 504 = 792
Since, number of females in village ‘A’ is same as number of males in village ‘C’.
So, number of females in village ‘A’ = 1008
Number of males in village ‘A’ = 1728 – 1008 = 720
Number of illiterate males in village ‘A’ = 720 – 512 = 208
Since, in village ‘B’ number of males are 50% while number of males in village ‘E’ is 160 more than number of
females which is 32 less than number of illiterate people in village ‘A’.
So, number of males in village ‘B’ = number of females in village ‘B’ = 0.50 × 1536 = 768
And, number of males in village ‘E’ = (\(\frac{1(184 + 160)}{2}\)} = 672
Number of females in village ‘E’ = 1184 – 672 = 512
Number of illiterate people in village ‘A’ = 512 + 32 = 544
So, number of illiterate females in village ‘A’ = 544 – 208 = 336
And, number of literate females in village ‘A’ = 1008 – 336 = 672
Since, number of females in village ‘C’ is twice the number of illiterate people in village ‘B’.
So, number of illiterate people in village ‘B’ = 1296/2 = 648
Number of illiterate males in village ‘B’ = 768 – 408 = 360
Number of illiterate females in village ‘B’ = 648 – 360 = 288
Number of literate females in village ‘B’ = 768 – 288 = 480
Since, number of males in village ‘A’ is same as the number of females in village ‘D’ which is 160 more than
number of illiterate people in village ‘E’.
So, number of females in village ‘D’ = 720
Number of males in village ‘D’ = 1248 – 720 = 528
Number of illiterate males in village ‘D’ = 528 – 288 = 240
Since, number of illiterate people in village ‘D’ is 65% of number of un-employed people in village ‘B’.
So, number of illiterate people in village ‘D’ = 0.65 × (1536 – 576) = 0.65 × 960 = 624
Number of illiterate females in village ‘D’ = 624 – 240 = 384
Number of literate females in village ‘D’ = 720 – 384 = 336
Since, number of females in village ‘D’ is 160 more than number of illiterate people in village ‘E’.
Number of illiterate people in village ‘E’ = 720 – 160 = 560
Number of illiterate females in village ‘E’ = 512 – 312 = 200
Number of literate females in village ‘E’ = 512 – 200 = 312
| Number of males | Number of females | |||||||
| Village | Total population | Total | Literate | Illiterate | Total | Literate | Illiterate | Number of un-employed people |
| A | 1728 | 720 | 512 | 208 | 1008 | 672 | 336 | 1728-648=1080 |
| B | 1536 | 768 | 408 | 360 | 768 | 480 | 288 | 1536-576=960 |
| C | 2304 | 1008 | 360 | 648 | 1296 | 504 | 792 | 2304-624=1680 |
| D | 1248 | 528 | 288 | 240 | 720 | 336 | 384 | 1248-480=768 |
| E | 1184 | 672 | 312 | 360 | 512 | 312 | 200 | 1184-384=800 |
Desired percentage = (\(\frac{336}{1080}\)) × 100 = 31(\(\frac{1}{9}\)) %
The correct option is (A) : 17: 20.
| Village | Number of literate | Number of employed people |
| A | 512 | 648 |
| B | 408 | 576 |
| C | 360 | 624 |
| D | 288 | 480 |
| E | 312 | 384 |
Since, number of literate females in village ‘C’ is 105% of total number of employed people in village ‘D’ and
62.5% of total population of village ‘C’ is illiterate.
So, number of literate females in village ‘C’ = 1.05 × 480 = 504
Total number of literate people in village ‘C’ = 504 + 360 = 864
Total population of village ‘C’ = \(\frac{864}{0.375}\) = 2304
Total population of all the five villages together = (\(\frac{2304}{103.68}\)) × 360 = 8000
Total population of village ‘A’ = (\(\frac{77.76}{360}\)) × 8000 = 1728
Total population of village ‘B’ = (\(\frac{69.12}{360}\)) × 8000 = 1536
Total population of village ‘D’ = (\(\frac{56.16}{360}\)) × 8000 = 1248
Total population of village ‘E’ = (\(\frac{53.28}{360}\)) × 8000 = 1184
Since, Number of males in village ‘C’ is 26% more than number of un-employed people in village ‘E’.
So, number of un-employed people in village ‘E’ = 1184 – 384 = 800
So, number of males in village ‘C’ = 1.26 × 800 = 1008
Number of females in village ‘C’ = 2304 – 1008 = 1296
Number of illiterate males in village ‘C’ = 1008 – 360 = 648
Number of illiterate females in village ‘C’ = 1296 – 504 = 792
Since, number of females in village ‘A’ is same as number of males in village ‘C’.
So, number of females in village ‘A’ = 1008
Number of males in village ‘A’ = 1728 – 1008 = 720
Number of illiterate males in village ‘A’ = 720 – 512 = 208
Since, in village ‘B’ number of males are 50% while number of males in village ‘E’ is 160 more than number of
females which is 32 less than number of illiterate people in village ‘A’.
So, number of males in village ‘B’ = number of females in village ‘B’ = 0.50 × 1536 = 768
And, number of males in village ‘E’ = (\(\frac{(1184 + 160)}{2}\)} = 672
Number of females in village ‘E’ = 1184 – 672 = 512
Number of illiterate people in village ‘A’ = 512 + 32 = 544
So, number of illiterate females in village ‘A’ = 544 – 208 = 336
And, number of literate females in village ‘A’ = 1008 – 336 = 672
Since, number of females in village ‘C’ is twice the number of illiterate people in village ‘B’.
So, number of illiterate people in village ‘B’ = 1296/2 = 648
Number of illiterate males in village ‘B’ = 768 – 408 = 360
Number of illiterate females in village ‘B’ = 648 – 360 = 288
Number of literate females in village ‘B’ = 768 – 288 = 480
Since, number of males in village ‘A’ is same as the number of females in village ‘D’ which is 160 more than
number of illiterate people in village ‘E’.
So, number of females in village ‘D’ = 720
Number of males in village ‘D’ = 1248 – 720 = 528
Number of illiterate males in village ‘D’ = 528 – 288 = 240
Since, number of illiterate people in village ‘D’ is 65% of number of un-employed people in village ‘B’.
So, number of illiterate people in village ‘D’ = 0.65 × (1536 – 576) = 0.65 × 960 = 624
Number of illiterate females in village ‘D’ = 624 – 240 = 384
Number of literate females in village ‘D’ = 720 – 384 = 336
Since, number of females in village ‘D’ is 160 more than number of illiterate people in village ‘E’.
Number of illiterate people in village ‘E’ = 720 – 160 = 560
Number of illiterate females in village ‘E’ = 512 – 312 = 200
Number of literate females in village ‘E’ = 512 – 200 = 312
| Number of males | Number of females | |||||||
| Village | Total population | Total | Literate | Illiterate | Total | Literate | Illiterate | Number of un-employed people |
| A | 1728 | 720 | 512 | 208 | 1008 | 672 | 336 | 1728-648=1080 |
| B | 1536 | 768 | 408 | 360 | 768 | 480 | 288 | 1536-576=960 |
| C | 2304 | 1008 | 360 | 648 | 1296 | 504 | 792 | 2304-624=1680 |
| D | 1248 | 528 | 288 | 240 | 720 | 336 | 384 | 1248-480=768 |
| E | 1184 | 672 | 312 | 360 | 512 | 312 | 200 | 1184-384=800 |
Desired ratio = 408:480 = 17:20
The correct option is (A) : 618.
| Village | Number of literate | Number of employed people |
| A | 512 | 648 |
| B | 408 | 576 |
| C | 360 | 624 |
| D | 288 | 480 |
| E | 312 | 384 |
Since, number of literate females in village ‘C’ is 105% of total number of employed people in village ‘D’ and
62.5% of total population of village ‘C’ is illiterate.
So, number of literate females in village ‘C’ = 1.05 × 480 = 504
Total number of literate people in village ‘C’ = 504 + 360 = 864
Total population of village ‘C’ = \(\frac{864}{0.375}\) = 2304
Total population of all the five villages together = (\(\frac{2304}{103.68}\)) × 360 = 8000
Total population of village ‘A’ = (\(\frac{77.76}{360}\)) × 8000 = 1728
Total population of village ‘B’ = (\(\frac{69.12}{360}\)) × 8000 = 1536
Total population of village ‘D’ = (\(\frac{56.16}{360}\)) × 8000 = 1248
Total population of village ‘E’ = (\(\frac{53.28}{360}\)) × 8000 = 1184
Since, Number of males in village ‘C’ is 26% more than number of un-employed people in village ‘E’.
So, number of un-employed people in village ‘E’ = 1184 – 384 = 800
So, number of males in village ‘C’ = 1.26 × 800 = 1008
Number of females in village ‘C’ = 2304 – 1008 = 1296
Number of illiterate males in village ‘C’ = 1008 – 360 = 648
Number of illiterate females in village ‘C’ = 1296 – 504 = 792
Since, number of females in village ‘A’ is same as number of males in village ‘C’.
So, number of females in village ‘A’ = 1008
Number of males in village ‘A’ = 1728 – 1008 = 720
Number of illiterate males in village ‘A’ = 720 – 512 = 208
Since, in village ‘B’ number of males are 50% while number of males in village ‘E’ is 160 more than number of
females which is 32 less than number of illiterate people in village ‘A’.
So, number of males in village ‘B’ = number of females in village ‘B’ = 0.50 × 1536 = 768
And, number of males in village ‘E’ = (\(\frac{(1184 + 160)}{2}\)} = 672
Number of females in village ‘E’ = 1184 – 672 = 512
Number of illiterate people in village ‘A’ = 512 + 32 = 544
So, number of illiterate females in village ‘A’ = 544 – 208 = 336
And, number of literate females in village ‘A’ = 1008 – 336 = 672
Since, number of females in village ‘C’ is twice the number of illiterate people in village ‘B’.
So, number of illiterate people in village ‘B’ = 1296/2 = 648
Number of illiterate males in village ‘B’ = 768 – 408 = 360
Number of illiterate females in village ‘B’ = 648 – 360 = 288
Number of literate females in village ‘B’ = 768 – 288 = 480
Since, number of males in village ‘A’ is same as the number of females in village ‘D’ which is 160 more than
number of illiterate people in village ‘E’.
So, number of females in village ‘D’ = 720
Number of males in village ‘D’ = 1248 – 720 = 528
Number of illiterate males in village ‘D’ = 528 – 288 = 240
Since, number of illiterate people in village ‘D’ is 65% of number of un-employed people in village ‘B’.
So, number of illiterate people in village ‘D’ = 0.65 × (1536 – 576) = 0.65 × 960 = 624
Number of illiterate females in village ‘D’ = 624 – 240 = 384
Number of literate females in village ‘D’ = 720 – 384 = 336
Since, number of females in village ‘D’ is 160 more than number of illiterate people in village ‘E’.
Number of illiterate people in village ‘E’ = 720 – 160 = 560
Number of illiterate females in village ‘E’ = 512 – 312 = 200
Number of literate females in village ‘E’ = 512 – 200 = 312
| Number of males | Number of females | |||||||
| Village | Total population | Total | Literate | Illiterate | Total | Literate | Illiterate | Number of un-employed people |
| A | 1728 | 720 | 512 | 208 | 1008 | 672 | 336 | 1728-648=1080 |
| B | 1536 | 768 | 408 | 360 | 768 | 480 | 288 | 1536-576=960 |
| C | 2304 | 1008 | 360 | 648 | 1296 | 504 | 792 | 2304-624=1680 |
| D | 1248 | 528 | 288 | 240 | 720 | 336 | 384 | 1248-480=768 |
| E | 1184 | 672 | 312 | 360 | 512 | 312 | 200 | 1184-384=800 |
Desired number = 1680 – 0.8 × 360 – 0.25 × 504 – 0.45 × (648 + 792) = 618
The correct option is (C) : 902
| Village | Number of literate | Number of employed people |
| A | 512 | 648 |
| B | 408 | 576 |
| C | 360 | 624 |
| D | 288 | 480 |
| E | 312 | 384 |
Since, number of literate females in village ‘C’ is 105% of total number of employed people in village ‘D’ and
62.5% of total population of village ‘C’ is illiterate.
So, number of literate females in village ‘C’ = 1.05 × 480 = 504
Total number of literate people in village ‘C’ = 504 + 360 = 864
Total population of village ‘C’ = \(\frac{864}{0.375}\) = 2304
Total population of all the five villages together = (\(\frac{2304}{103.68}\)) × 360 = 8000
Total population of village ‘A’ = (\(\frac{77.76}{360}\)) × 8000 = 1728
Total population of village ‘B’ = (\(\frac{69.12}{360}\)) × 8000 = 1536
Total population of village ‘D’ = (\(\frac{56.16}{360}\)) × 8000 = 1248
Total population of village ‘E’ = (\(\frac{53.28}{360}\)) × 8000 = 1184
Since, Number of males in village ‘C’ is 26% more than number of un-employed people in village ‘E’.
So, number of un-employed people in village ‘E’ = 1184 – 384 = 800
So, number of males in village ‘C’ = 1.26 × 800 = 1008
Number of females in village ‘C’ = 2304 – 1008 = 1296
Number of illiterate males in village ‘C’ = 1008 – 360 = 648
Number of illiterate females in village ‘C’ = 1296 – 504 = 792
Since, number of females in village ‘A’ is same as number of males in village ‘C’.
So, number of females in village ‘A’ = 1008
Number of males in village ‘A’ = 1728 – 1008 = 720
Number of illiterate males in village ‘A’ = 720 – 512 = 208
Since, in village ‘B’ number of males are 50% while number of males in village ‘E’ is 160 more than number of
females which is 32 less than number of illiterate people in village ‘A’.
So, number of males in village ‘B’ = number of females in village ‘B’ = 0.50 × 1536 = 768
And, number of males in village ‘E’ = (\(\frac{(1184 + 160)}{2}\)} = 672
Number of females in village ‘E’ = 1184 – 672 = 512
Number of illiterate people in village ‘A’ = 512 + 32 = 544
So, number of illiterate females in village ‘A’ = 544 – 208 = 336
And, number of literate females in village ‘A’ = 1008 – 336 = 672
Since, number of females in village ‘C’ is twice the number of illiterate people in village ‘B’.
So, number of illiterate people in village ‘B’ = 1296/2 = 648
Number of illiterate males in village ‘B’ = 768 – 408 = 360
Number of illiterate females in village ‘B’ = 648 – 360 = 288
Number of literate females in village ‘B’ = 768 – 288 = 480
Since, number of males in village ‘A’ is same as the number of females in village ‘D’ which is 160 more than
number of illiterate people in village ‘E’.
So, number of females in village ‘D’ = 720
Number of males in village ‘D’ = 1248 – 720 = 528
Number of illiterate males in village ‘D’ = 528 – 288 = 240
Since, number of illiterate people in village ‘D’ is 65% of number of un-employed people in village ‘B’.
So, number of illiterate people in village ‘D’ = 0.65 × (1536 – 576) = 0.65 × 960 = 624
Number of illiterate females in village ‘D’ = 624 – 240 = 384
Number of literate females in village ‘D’ = 720 – 384 = 336
Since, number of females in village ‘D’ is 160 more than number of illiterate people in village ‘E’.
Number of illiterate people in village ‘E’ = 720 – 160 = 560
Number of illiterate females in village ‘E’ = 512 – 312 = 200
Number of literate females in village ‘E’ = 512 – 200 = 312
| Number of males | Number of females | |||||||
| Village | Total population | Total | Literate | Illiterate | Total | Literate | Illiterate | Number of un-employed people |
| A | 1728 | 720 | 512 | 208 | 1008 | 672 | 336 | 1728-648=1080 |
| B | 1536 | 768 | 408 | 360 | 768 | 480 | 288 | 1536-576=960 |
| C | 2304 | 1008 | 360 | 648 | 1296 | 504 | 792 | 2304-624=1680 |
| D | 1248 | 528 | 288 | 240 | 720 | 336 | 384 | 1248-480=768 |
| E | 1184 | 672 | 312 | 360 | 512 | 312 | 200 | 1184-384=800 |
Desired average = {(1080 + 960 + 768 + 800)/4} = 902.
The correct option is (B) : 24.
| Village | Number of literate | Number of employed people |
| A | 512 | 648 |
| B | 408 | 576 |
| C | 360 | 624 |
| D | 288 | 480 |
| E | 312 | 384 |
Since, number of literate females in village ‘C’ is 105% of total number of employed people in village ‘D’ and
62.5% of total population of village ‘C’ is illiterate.
So, number of literate females in village ‘C’ = 1.05 × 480 = 504
Total number of literate people in village ‘C’ = 504 + 360 = 864
Total population of village ‘C’ = \(\frac{864}{0.375}\) = 2304
Total population of all the five villages together = (\(\frac{2304}{103.68}\)) × 360 = 8000
Total population of village ‘A’ = (\(\frac{77.76}{360}\)) × 8000 = 1728
Total population of village ‘B’ = (\(\frac{69.12}{360}\)) × 8000 = 1536
Total population of village ‘D’ = (\(\frac{56.16}{360}\)) × 8000 = 1248
Total population of village ‘E’ = (\(\frac{53.28}{360}\)) × 8000 = 1184
Since, Number of males in village ‘C’ is 26% more than number of un-employed people in village ‘E’.
So, number of un-employed people in village ‘E’ = 1184 – 384 = 800
So, number of males in village ‘C’ = 1.26 × 800 = 1008
Number of females in village ‘C’ = 2304 – 1008 = 1296
Number of illiterate males in village ‘C’ = 1008 – 360 = 648
Number of illiterate females in village ‘C’ = 1296 – 504 = 792
Since, number of females in village ‘A’ is same as number of males in village ‘C’.
So, number of females in village ‘A’ = 1008
Number of males in village ‘A’ = 1728 – 1008 = 720
Number of illiterate males in village ‘A’ = 720 – 512 = 208
Since, in village ‘B’ number of males are 50% while number of males in village ‘E’ is 160 more than number of
females which is 32 less than number of illiterate people in village ‘A’.
So, number of males in village ‘B’ = number of females in village ‘B’ = 0.50 × 1536 = 768
And, number of males in village ‘E’ = (\(\frac{(1184 + 160)}{2}\)} = 672
Number of females in village ‘E’ = 1184 – 672 = 512
Number of illiterate people in village ‘A’ = 512 + 32 = 544
So, number of illiterate females in village ‘A’ = 544 – 208 = 336
And, number of literate females in village ‘A’ = 1008 – 336 = 672
Since, number of females in village ‘C’ is twice the number of illiterate people in village ‘B’.
So, number of illiterate people in village ‘B’ = 1296/2 = 648
Number of illiterate males in village ‘B’ = 768 – 408 = 360
Number of illiterate females in village ‘B’ = 648 – 360 = 288
Number of literate females in village ‘B’ = 768 – 288 = 480
Since, number of males in village ‘A’ is same as the number of females in village ‘D’ which is 160 more than
number of illiterate people in village ‘E’.
So, number of females in village ‘D’ = 720
Number of males in village ‘D’ = 1248 – 720 = 528
Number of illiterate males in village ‘D’ = 528 – 288 = 240
Since, number of illiterate people in village ‘D’ is 65% of number of un-employed people in village ‘B’.
So, number of illiterate people in village ‘D’ = 0.65 × (1536 – 576) = 0.65 × 960 = 624
Number of illiterate females in village ‘D’ = 624 – 240 = 384
Number of literate females in village ‘D’ = 720 – 384 = 336
Since, number of females in village ‘D’ is 160 more than number of illiterate people in village ‘E’.
Number of illiterate people in village ‘E’ = 720 – 160 = 560
Number of illiterate females in village ‘E’ = 512 – 312 = 200
Number of literate females in village ‘E’ = 512 – 200 = 312
| Number of males | Number of females | |||||||
| Village | Total population | Total | Literate | Illiterate | Total | Literate | Illiterate | Number of un-employed people |
| A | 1728 | 720 | 512 | 208 | 1008 | 672 | 336 | 1728-648=1080 |
| B | 1536 | 768 | 408 | 360 | 768 | 480 | 288 | 1536-576=960 |
| C | 2304 | 1008 | 360 | 648 | 1296 | 504 | 792 | 2304-624=1680 |
| D | 1248 | 528 | 288 | 240 | 720 | 336 | 384 | 1248-480=768 |
| E | 1184 | 672 | 312 | 360 | 512 | 312 | 200 | 1184-384=800 |
Desired difference = 336 – 312 = 24
Light Chemicals is an industrial paint supplier with presence in three locations: Mumbai, Hyderabad and Bengaluru. The sunburst chart below shows the distribution of the number of employees of different departments of Light Chemicals. There are four departments: Finance, IT, HR and Sales. The employees are deployed in four ranks: junior, mid, senior and executive. The chart shows four levels: location, department, rank and gender (M: male, F: female). At every level, the number of employees at a location/department/rank/gender are proportional to the corresponding area of the region represented in the chart.
Due to some issues with the software, the data on junior female employees have gone missing. Notice that there are junior female employees in Mumbai HR, Sales and IT departments, Hyderabad HR department, and Bengaluru IT and Finance departments. The corresponding missing numbers are marked u, v, w, x, y and z in the diagram, respectively.
It is also known that:
a) Light Chemicals has a total of 210 junior employees.
b) Light Chemicals has a total of 146 employees in the IT department.
c) Light Chemicals has a total of 777 employees in the Hyderabad office.
d) In the Mumbai office, the number of female employees is 55.





For any natural number $k$, let $a_k = 3^k$. The smallest natural number $m$ for which \[ (a_1)^1 \times (a_2)^2 \times \dots \times (a_{20})^{20} \;<\; a_{21} \times a_{22} \times \dots \times a_{20+m} \] is: