List of top Quantitative Aptitude Questions

What will be the difference between the simple interest and compound interest accrued on an amount of Rs.19,200/- at the end of 3 years @ 12 p.c.p.a?

A 240 metre long train crosses a platform in 20 seconds. What is the speed of the train ?

Two trains of lengths 80m and 120m respectively are travelling in the same direction. If the first train travelling a speed of 80 Kmph crosses the second train in 24 seconds, then the speed of the second train is :

The average of the ages of a man and his daughter is 34. If the respective ratio of their ages four years from now is\(14 : 5\), what is the daughter’s present age?

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\((18.6)\)³=?

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\(\frac{2225}{7}\times\frac{867}{5}\times\frac{119}{4}=?\)

In how many different ways can the letters of the word ‘CREAM’ be arranged?

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\(9876.5 \div18.5 \div3.2 =?\)

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\(\sqrt{1850}=?\)

What approximate value should come in place of the question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)
\(17.998\times23.005\times11.99 =?\)

Sugar worth 15 per kg and 16 per kg is mixed with a third variety of some other cost in the ratio 1 : 1 : 2. If the mixture is of worth 20 per kg, what would be the cost of the third variety of sugar per kg?

The dimensions of a room are 12.5 metres by 9 metres by 7 metres. There are 2 doors and 4 windows in the room; each door measures 2.5 metres by 1.2 metres and each window 1.5 metres by 1 metre. Find the cost of painting the walls at Rs. 3.50 per square metre.

A swimming bath is 24 m long an d15 m board. When a number of men dive into the bath, the height of the water rises by one cm. If the average amount of water displaced by one of the men be 0.1 cu. m, how many men are there in the bath?

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\(\%\)?

The diameter of the driving wheel of a bus is 140 cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 km per hour?

A started a work and left after working for 1 day. Then B was called and he finished the work in \(4\frac{1}{2}\) days. Had A left the work after working for \(1\frac{1}{2}\)days, B would have finished the remaining work in 3 days. In how many days can each of them, working alone, finish the whole work?

Two posts are k metres apart and the height of one is double that of the other. If from the middle point of the line joining their feet, an observer finds the angular elevations of their tops to be complementary, then the height (in metres) of the shorter post is

A farmer sold a cow and an ox for Rs. 800 and got a profit of 20\(\%\) on the cow and 25\(\%\) on the ox. If he sells the cow and the ox for Rs. 820 and gets a profit of 25\(\%\) on the cow and 20\(\%\) on the ox, the individual cost price of the cow and the ox is

Arun borrowed a sum of money from Jayant at the rate of 8\(\%\) per annum simple interest for the first four years, 10\(\%\) per annum for the next 6 years and 12\(\%\) per annum for the period beyond 10 yerras. If he pays a total of Rs. 12,160 as interest only at the end of 15 years, how much money did he borrow?

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

A sum of Rs. 18,750 is left by will by a father to be divided between two sons, 12 and 14 years of age, so that when they attain maturity at 18, the amount (principal + interest) received by each at 5 per cent simple interest will be the same. Find the sum allotted at present to each son.

A man borrows Rs. 4,000 at 20\(\%\) compound rate of interest. At the end of each year he pays back Rs. 1,500. How much amount should he pay at the end of the third year to clear all his dues?

One can purchase a flat from a house building society for Rs. 55,000 cash or on the terms that he should pay Rs. 4,275 as cash down payment and the rest in three equal yearly instalments. The society charges interest at the rate of 16\(\%\) per annum compounded half yearly. If the flat is purchased under instalment plan, find the value of each instalment

\(\%\) of the total number of boys in the group. The number of boys playing only badminton is 50\(\%\) of the number of boys and the total number of boys playing badminton is 60\(\%\) of the total number of boys. The number of children playing only table tennis is 40\(\%\) of the total number of children and a total of 12 children play badminton and table tennis both. What is the number of girls playing only badminton? 

A trader purchases a watch and a wall clock of Rs. 390. He sells them making a profit of 10\(\%\) on the watch and 15\(\%\) on the wall clock. He earns a profit of Rs. 51.50. The difference between the original prices of the wall clock and the watch is equal to