List of top Quantitative Aptitude Questions

If\(35 \$9 - 1865 = 1 \times 24\), which of the following digits will replace\(\$\)?

Which of the following is in descending order?

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?

The number obtained after interchanging the two digits of a two digit number is greater than the original number by 9. If the sum of the two digits of the number is 13, what is the original number?

In the following number series, a wrong number is given. Find out the wrong number.
508 , 252 ,124 , 60 , 28 ,14 , 4

The ratio in the ages of Priyanka and Sweta, one year ago, was\(4 : 5\)and after 1 year it will be\(5 : 6.\)What is the present age of Sweta ?

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.)
\((18.6)\)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.)
\(\frac{2225}{7}\times\frac{867}{5}\times\frac{119}{4}=?\)

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?

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?

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 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?

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\(\%\)?

There are two vessels of equal capacity, one full of milk, and the second one-third full of water. The second vessel is then filled up out of the first, the contents of the second are then poured back into the first till it is full and then again the contents of the first are poured back into the second till it is full. What is the proportion of milk in the second vessel?

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.

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?

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