Quantitative Aptitude - Arithmetic Ability Questions

If selling price is Rs. 72 and Gain percentage = 20%, calculate the Cost Price.

If 7/8th of 5/4th of a number is 315, then 5/9th of that number is _____

If y = √3 - √2, then find the value of 1y3 - y3.

The third proportional of two numbers 24 and 36 is

If M = 0.1 + (0.1)2 + (0.01)2 and N = 0.3 + (0.03)2 + (0.003)2, then what is the value of M + N?

What is the value of √[(1 + sinA)/(1 -­ sinA)]?

If the circumference of a circle is 44 cm, then what must be its area (in cm²)?

A bank offers 20% compound interest per half year. A customer deposits Rs 6000 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is