List of top Quantitative Aptitude Questions

What is the least number of students in a class if they can be made to stand in rows of 8, 12 or 14 each?
The LCM and product of two numbers X and Y are 180 and 2700, respectively. If X is completely divisible by Y, then the value of (X-Y) is _____.
If \(N = 2^5 \times 3^4 \times 5^5 \times 11^2\), then how many factors of N are multiples of 66 but not of 72?
What should come in place of question mark\((?)\)in the following questions?
\(\frac{?}{48}\times15=405\)
What should come in place of question mark (?) in the following questions?
\((9.75\% \text{ of } 316) - (3.82\% \text{ of } 120) = ?\)
A six-digit code is to be formed using 6 distinct numbers. Number in the first place is square of a prime number in third place. Numbers in 4th, 6th, 2nd and 1st place are consecutive numbers. If all odd digits except 1 are present in the code, what is the sum of all the digits?
When a certain single digit number multiples with 1,234, the units digit and the thousand’s digit will be the same in the product. What is the number formed by the other two digits in the same order?
If n is a natural number less than or equal to 5, for how many values of n is 3n- n a prime number?
The sum of four consecutive two-digit odd numbers, when divided by 10, becomes a perfect square. Which of the following can possibly be one of these four numbers?
Consider the expression (xxx)b = (62)b , where b is the base and x is any digit in base b. Find the value of (b + x).
If (3x-\(\frac{1}{3x}\))=4, , then what is the value of (27x3-\(\frac{1}{27x^3}\)) ?
If=\(\frac{2x^2+x-6}{(x+2)^2-(x-2)^2}\), Q=\(\frac{x^2+3x+9}{(2x-3)(x^2-4)}\) and \(R=\frac{x^2-27}{x^4-4}\), then find the value of PXQ÷R
A box contains 4 blue, 2 green and 3 red balls and another box contains 4 red, 3 green, and 5 blue balls. A ball is picked up at random from one of the boxes. What is the probability that the ball is blue?
A petrol pump mixed leaded and unleaded petrol in such a way that the mixture contains 10\(\%\) unleaded to I litre mixture so that the percentage of unleaded petrol becomes 5\(\%\)?
Solve the following:-
\((88)^2 + (73)^2 = (?)^2 – (38)^2 – 859\)
A sum of Rs. 1,440 is lent out in three parts in such a way that the interests on first part at 2\(\%\) for 3 years, second part at 3\(\%\) for 4 years and third part at 4\(\%\) for 5 years are equal. Then the difference between the largest and the smallest sum is
Two identical circles intersect so that their centres, and the points at which they intersect, form a square of side 2 cm. What is the area of the portion that is common to both the circles?
Krishna has certain number of coins numbered with a series of consecutive natural numbers starting with 1. He found that the sum of squares of all the numbers on the coins is 1753 times the sum of numbers on coins. How many coins does he have?
If p, q, r and s are four positive integers such that pqrs = 1, what is the minimum value of (2 + p)(3 + q)(4 + r)(5 + s)?
What is the sum of all roots of the equation \(|x+4|^2–10|x+4|=24\)?
In each of the following questions a number series is given with one missing (?) term. The term is given as one of the alternatives among the five numbers given in the answer choic Find the term.
1, 27, 125, ? , 729, 1331
What is the number of distinct terms in the expansion of $(x + y + z )25$ ?
The average weight of a group of people increases by 2 kg when a person weighing 65 kg joins them. If the initial average weight of the group was 55 kg, find the ratio of the number of people initially in the group to the total number of people in the new group.
The total age of a group of 20 children is 160 years. If the average age of 8 of the children of the group is 12 years, find the average age of the remaining group.
A man deposits Rs.50 in a bank at the beginning of every month. If 10% simple interest is reckoned, how much money is he eligible to get at the end of 24 months?