List of top Quantitative Aptitude Questions

A can do a job in 9.8 days and B can do it in 14 days. They work together for 3.5 days, and A goes away. In how many days will B finish the remaining work?
A 300 metre long train is running at a speed of 72 km/hr.How many seconds it take to cross 500 metre long bridge ?
Find the approximate value of\(5.931 \times 3.61 + 2.19 - 7 \frac{1}{2}\)
84,808 becomes thrice itself in 4 years at certain rate of interest. In how many years will it become 9 times itself at the same rate of compound interest?
The ratio of the number of boys to girls in a school with 660 students is 8 : 3. How many more girls should be admitted to the school to make the ratio 1 : 1?
A train is travelling at the rate of 36 km/hr. How many seconds it will take to cover a distance of 0.5 km?
The average weight of A, B and C is 80 kg. If the average weight of A and B be 74 kg and that of B and C be 84 kg, then what is the weight (in kg) of B?
A, B and C can do a piece of work in 40, 60 and 120 days respectively. In how many days can A, B and C together finish the work?
A person crosses a 1000 m long bridge in 15 minutes, What is his speed in km per hour?
The salary of a person is first decreased by 25% and then the decreased salary is increased by 25%. What is the net percentage change in his salary?
If A's salary is 100% more than that of B, then by what percentage B's salary is less than that of A?
The percentage of profit made when an article is sold for 111 is twice as much as when it is sold for 99. What is the cost price of the article?
The ratio of the number of boys and girls in a college is 7 :3. If 30% of the boys and 20% of the girls are adults, then what percentage of the total students is NOT adult?
The average of 10 results is 40 and the average of other 40 results is 10. What is the average of all the results together?
If 2463@7 is divisible by 11, then what is the digit in place of @?
In a division problem, the divisor is 5 times the quotient and 2 times the remainder. If remainder is 15, then what is the dividend?
The cost price of 3 dozen bananas is 48. After selling 30 bananas at the rate of 14 per dozen, the shopkeeper reduces the rate to 2 per dozen. What is the loss percentage?
If the diagonals of two squares are in the ratio of 3 : 8. What will be the ratio of their area?
If A : B = 5 : 3 and B : C = 7 : 5, then what is the value of A : B : C?
A sum of money invested at compounded interest amounts to 7 times itself in 7 years. In how many years will it amount to 49 times itself ?
What is the smallest number of 5 digits that is exactly divisible by 517?
A number when divided by 774 leaves a remainder of 53. If the same number is divided by 43, then what will be the remainder?
What is the correct expression of\(5.565656 ...... \)in the fractional form?
An amount invested at compounded interest becomes Rs.3,600 after 2 years and Rs.5,184 after 4 years. What is the amount invested?
In a triangle ABC,\( \angle A +\)\(\angle B\)=\(80\degree\)and\(\angle B+ \angle C\)=\(110\degree\), What is the measure of angle A?