Quantitative Aptitude - Arithmetic Ability Questions

If compound interest received on a certain amount in the 3rd year is Rs. 1,240, what will be the compound interest (in Rs) for the 4th year on the same amount at 9% rate of interest?

If a+1a=1,then the value of a2-a+1a2+a+1 is a≠0

If in a two digit number, the digit at unit place is y and the digit at tens place is 5, then the number is

If a sum of money doubles itself in 8 yrs, then the interest rate in percentage is ?

A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.

Which of the numbers given below is the square root of 15376?

If x+3y=-3x+y, then x22y2 is equal to

The height of a tower is 50√3 m. The angle of elevation of a tower from a distance 50 m from its feet is