List of top Quantitative Aptitude Questions

There are three persons A B, and C in a room. If a person D joins the room, the average weight of the persons in the room reduces by x kg . Instead of D , if person E joins the room, the average weight of the persons in the room increases by 2 kg x . If the weight of E is 12 kg more than that of D , then the value of x is

Gautam and Suhani, working together, can finish a job in 20 days. If Gautam does only 60% of his usual work on a day, Suhani must do 150% of her usual work on that day to exactly make up for it. Then, the number of days required by the faster worker to complete the job working alone is

Let \(a_n=46+8n\) and \(b_n=98+4n\) be two sequences for natural numbers \(n ≤ 100\) . Then, the sum of all terms common to both the sequences is

A quadrilateral \(ABCD\) is inscribed in a circle such that \(AB :CD\) = \(2:1\) and \(BC:AD = 5: 4\). If \(AC\) and \(BD\) intersect at the point \(E\),then \(AE:CE\) equals

A lab experiment measures the number of organisms at 8 am every day. Starting with 2 organisms on the first day, the number of organisms on any day is equal to 3 more than twice the number on the previous day. If the number of organisms on the nth day exceeds one million, then the lowest possible value of n is

The number of integer solutions of equation \(2|x|(x^2+1)=5x^2\) is

Let \(n\) be the least positive integer such that \(168\) is a factor of \(1134^n\) . If \(m\) is the least positive integer such that \(1134^n\) is a factor of \(168^m\) , then \(m+ n \) equals

The equation \(x^3+(2r+1)x^2+(4r-1)x+2=0\) has -2 as one of the roots. If the other two roots are real, then the minimum possible non-negative integer value of \(r\) is

The minor angle between hours hand and minutes hand of a clock was observed at 8:48 am. The minimum deviation (in min) after 8:48 am on when angle increased by 50% is?

Geeta sells A \(→\) 20% (Profit) and B \(→\) 10% (Loss) at the same sp. If she increases SP such that A and B still sold at an equal price and profit of 10% made on B, then profit made on A will be?

Brishti went on a 8-hour trip in a car, before the trip the car had traveled a total of x kms till then, where x is a whole number and is palindromic, At the end of his trip the car had had traveled a total of 26862 km. If Bristi never drove at more than 110 km/h, then the greatest possible average speed at which see dove is?

The salaries of three friends Sita, Gita and Mita are initially in the ratio 5:6:7 respectively. In the first year, they get salary hikes of 20%, 25% and 20% , respectively. In the second year, Sita and Mita get salary hikes of 40% and 25% , respectively, and the salary of Gita becomes equal to the mean salary of the three friends. The salary hike of Gita in the second year is

The number of all natural numbers up to 1000 with non-repeating digits is

A sphere of maximum possible size is made out of a solid woodern cylinder of height equal to its diameter of the base. The percentage of the wastage of the wood in the process is:

Nitin sells two articles for 4,000 each with no profit, no loss in the whole transaction. If one was sold at a gain 25%, then the other is sold at a loss of:

\(A\) and \(B\) are the independent events such that \(P(AUB)= \frac {7}{10}\) and \(P(B)=\frac 58\). Then \(P(A)\) is equal to:

For the such rate of Interest, the ratio of amount for one year under simple interest and for two years under compound interest compounded annually is 3:4. Find the rate of intrest:

A mapping f: R-R which is defined as f(x)=cos x, x ER is

The incomes of A and B are in the ratio 2:3 and their expenditures are in the ratio 4:5. If their savings are 9,000 and 17,500 respectively, then find the income of A.

If 5tan θ=12, then find the value of cosθ-sinθ:

A and B can do a work in 20 days. When A works at 60% capacity, B has to work at 150% capacity to finish the work. Find in how many days the faster one will finish the work alone.

If A = {a, b, c) and R={(a,a), (a,b), (b,c), (b,b), (c,c), (c,a)} is a binary relation on A then which one of the following is correct?

A is twice as good a workman as B. Together they finish a piece of work in 24 days. In how many days B alone can finish the work?

Look at the series: 1296, 648, 216, 108, 36, __ .
Which one of the following numbers should come next in the series?

The total number of subset of a finite set A has 56 more elements then the total number of subset of another finite set B. What is the number of elements in set A