List of top Quantitative Aptitude Questions

The value \( 0.163 \) in the form of \( \frac{P}{Q} \) is:
Probability of being 53 Sundays in any leap-year is:
In 35 litre mixture, ratio of milk and water is 4 : 1. If 7 litre more water is added to the mixture, then the new ratio of milk and water will be:
Two trains of lengths 150 metres and 180 metres respectively, are running in opposite directions on parallel tracks. If their speeds are 30 km/hr and 24 km/hr respectively, then the time taken by them to cross each other is:
If \( a : b = 2 : 3 \) and \( b : c = 4 : 3 \), then find \( a : b : c \):
Three-fourth of the number of girls in a school is equal to half of the number of boys. If the school has 1420 pupils, how many of them are boys? \[ \frac{3}{4} \times \text{Girls} = \frac{1}{2} \times \text{Boys} \]
If \( x = -1 \), then what is the value of the function? \[ f(x) = x^3 + 4x + 12 \]
In a survey of 700 students in a college, 180 were listed as drinking Limca, 275 as drinking Miranda, and 95 were listed as drinking both. How many students were drinking neither Limca nor Miranda?
The mean of 31 results is 60. If the mean of the first 16 results is 58 and that of the last 16 results is 62, then the 16th result is:
The mean weight of 80 students is 58 kg. After rechecking, it was discovered that the two weights 52 and 68 were misread as 25 and 86. The correct mean is:
Sum of all odd integers from 1 to 1001 is:
Sohan saves 14% of his salary while George saves 22% of his salary. If both get the same salary and George saves Rs. 1540, then saving of Sohan is:
If 'A' and 'B' can do a piece of work in 8 days, while 'A' alone can do it in 12 days. In how many days can 'B' alone do the same work?
2 men and 5 boys can finish a piece of work in 4 days, while 3 men and 6 boys can finish it in 3 days. The time taken by one man alone to finish the work is:
A table was sold at a gain of 10%. Had it been sold for Rs. 30 more, the gain would have been 15%. The cost price of the table is:
If \( x = \left( \frac{3}{2} \right)^2 \times \left( \frac{2}{3} \right)^{-4 \), then the value of \( x^{-2} \) is:}
The number of selections of four letters from the letters of the word ASSASSINATION is:
The set of real numbers which satisfy the equation \( x^2 - 5x + 6 = 0 \) is:
The inequality \( x + \frac{1}{x} \leq -2 \) is true, if:
If \( x \) is 5% of \( y \), and \( y \) is 24% of \( z \). If \( x = 480 \), then the values of \( y \) and \( z \) are:
The HCF of the polynomials \( 2x^3 + 5x^2 - 2x - 5 \) and \( 3x^3 - x^2 - 3x + 1 \) is:
If a number \( x \) be subtracted from each of the numbers 21, 38, 55, 106, then they become proportional. The value of \( x \) is:
Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice the number:
If H.C.F. of (65, 117) is expressed in the form \( 65m + 117n \), then the value of \( m \) is:
A tank can be filled by two taps A and B in 12 hours separately. The full tank can be emptied by a third tap in 8 hours. If all the taps are turned on at the same time, then the time taken to fill the empty tank will be: