Study the table carefully to answer the questions that follow: Year and Stream wise number of Students enrolled in Engineering Colleges-
Streams
Electrical
Electronics
Mechanical
Civil
Information Technology
Years
2001
252
447
343
506
264
2002
260
470
369
590
241
2003
286
514
398
600
310
2004
332
545
447
678
340
2005
355
620
500
623
397
2006
421
646
485
640
416
2007
467
580
510
710
475
Question: 1
What is the difference between the average number of students enrolled in Mechanical Stream over the given years and the average number of students enrolled in Civil Stream over the given years?
Average number of students enrolled in Mechanical Stream = \(\frac{343+369+398+447+500+485+510}{7}\)
= \(\frac{3052}{7}\)
= 436
Average number of students enrolled in Civil Stream = \(\frac{506+590+600+678+623+640+710}{7}\)
= \(\frac{4357}{7}\)
= 621
Difference between the average number of students enrolled in Mechanical and Civil streams = 621 - 436
= 185
The correct option is (D): 185
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Question: 2
What is the difference between the total number of students enrolled in Electrical Stream over the given years and the total number of students enrolled in Information Technology Stream over the given years?
From the question, Total Electrical Students =252+260+286+332+355+421+467 =2373 Total Information Technology =264+241+310+340+397+416+475 =2443 Difference between the students enrolled in Electrical and Information Technology Streams = 2443 - 2373 = 70 The correct option is (A): 70
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Question: 3
What is the respective ratio of number of students enrolled in Civil Stream to the number of students enrolled in Mechanical Stream in the year 2006?
From the question, Students enrolled in Civil Stream in year 2006 = 640 Students enrolled in Mechanical Stream in year 2006 = 485 Ratio = \(\frac{640}{485}\) = \(\frac{128}{97}\) The correct option is (D): 128 : 97
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Question: 4
What is the average number of students enrolled in the Electronics Streams over the given years?
From the question, Average number of students enrolled in Electronics Stream = \(\frac{447+470+514+545+620+646+580}{7}\) = \(\frac{3822}{7}\) = 546 The correct option is (D): 546
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Question: 5
In 2001, the number of students enrolled in Electrical Streams is approximately what percent of the number of students enrolled in Electronics students?
From the question, Students enrolled in Electrical Stream in 2001 = 252 Students enrolled in Electronics Stream in 2001 = 447 Percentage = \(\frac{252}{447} × 100\) ≈ 56\(\%\) The correct option is (A): 56
