List of top Quantitative Aptitude Questions

In a certain game, each player scores either 2 points or 5 points. If n players score 2 points and m players score 5 points, and the total number of points scored is 50, what is the least possible positive difference between n and m?

If 0 \(<\) p \(<\) I, which of the following has the least value? 

Which of the following must equal zero for all real numbers x?
(I). x³-x²
(II). x⁰
(III). x¹

The speed of a train pulling out of a station is given by the equation s = t2 + t, where s is the speed in kilometers per hour and t is the time in seconds from when the train starts moving. The equation holds for all situations were o t 4. In kilometers per hour, what is the difference in the speed of the train four seconds after it starts moving, compared to the speed two seconds after it starts moving?

On times	X\(\%\)
Up to 15 minutes delayed	43\(\%\)
15-30 minutes delayed	17\(\%\)
30-60 minutes delayed	12\(\%\)
More than 60 minutes delayed	3\(\%\)

The chart above describes departures from a certain airport on a certain day. If 1,200 flights were delayed, how many flights departed on time?

A cube of white chalk is painted red, and then cut parallel to the sides to form two rectangular solids of equal volume. What percent of the surface area of each of the new solids is not painted red?

Two numbers are in the ratio 8 : 11 and their LCM is 2816. What would be the difference between the two numbers?

Given below are 3 equations I, II and III where 'a' and 'b' are the roots of equation I where (a < b) and 'c' and’d’ are roots of equation II where (c < d). On this basis, solve for equation III and find the relationship between 'z' and 'k' given that k = 11
I. 3x(x - 12) + 72 = x² - 11x - 5
II. 5y(y - 3) - 64 = y(3y - 2) – 19
III. (z + 2a - d)² = 169

Gopi constructed a right-angled triangle. By modifying the dimensions of first triangle, he drew another triangle. The modifications are - the largest side is increased by 5 cm, the smallest side is doubled and the third side is increased by 50%. If the triangle formed with these new dimensions has equal angles, then what is the perimeter of the new triangle?

A biased coin with probability p\(;\) 0\(<\)p\(<\)1 of head is tossed until a head appears for the first time. If the probability that the number of tosses required is even is \(\frac{2}{5}\), then p equals to

A club consist of members whose age are in AP. The common difference between the ages is 3 months. If the youngest member is 7 years old and the sum of the ages of all the members is 250, then the number of members in the club is

In a forest there are as many Santa Trees as there are Ajanta Trees. One-fourth of all the tree are old. One-half of the total trees are in flowering stage. Which of the following statement is true?

If a boy can throw a cricket ball 100 m, then the time required for the ball to touch the ground is

A train whose weight is 16 metric tons, moves at the rate of 72 kmph. After applying brakes it stops in 500 meters. What is the force executed by brakes?

If A and B are two mutually exclusive events, then

Three groups A, B and C are contesting for position on the Board of Directors of a company. The probabilities of their winning are 0.5, 0.3 and 0.2 respectively. If the group A wins the probability of introducing a new position is 0.7 and the corresponding probabilities for group B and C are 0.6 and 0.5 respectively. The probability that a new position introduced is

A sum of money is divided among A,B,C and D in the ratio of 3:7:9:13 respectively. If the share of B is Rs 9,180 more than the share of A, then what is the total amount of money of A and C together?

Which number should replace both the question marks in the following equation? \(\frac{?}{492}\)=\(\frac{123}{?}\)

What is 25% of 45% of 4/9th of 4540?

One-seventh of a number is 48. What will 72% of that number be?

The compound interest accrued on an amount of Rs, 18000 at the end of three years is Rs 5,958. What would be the simple interest accrued on the same amount at the same rate in the same period?

The ages of Shauna and Imam are in the ratio of 7:3 respectively. After 9 years the ratio of their ages will be 4:3. What is the age of Imam?

What should come in place of question mark\((?)\)in the following questions?
\(6132+5619-4725-?=3134+1710\)

By how much is (\(\frac{3}{7}\)) of 266 is lesser than (\(\frac{4}{9}\))of 504?

If the numerator of a fraction is increased by 200% and the denominator is increased by 300%, the resultant fraction is\(\frac{5}{12}\). What was the original fraction?