Quantitative Aptitude - Arithmetic Ability Questions

The effective annual rate of interest corresponding to a nominal rate of 7% per annum payable half­yearly is

At 8% simple interest per annum a sum of money becomes Rs. 300 in 2.5 years. What was the sum invested?

What is the average of first 19 odd numbers?

The average height of A, B and C is 148 cm. If the average height of A and B is 136 cm and that of B and C is 125 cm, then what is the height (in cm) of B?

Find the volume (in cm3) of a cube of side 7.5 cm.

If x2 + ax + b, when divided by x + 3, leaves a remainder of -1 and x2 + bx + a, when divided by x - 3, leaves a remainder of 39, then a+ b = ?

Two trains are moving in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then what is the speed (in km/hr) of each train?

The effective annual rate of interest corresponding to a nominal rate of 19% per annum payable half­yearly is: