Quantitative Aptitude - Arithmetic Ability Questions

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?

Area of 4 walls of a cuboid 400 sq cm, its length is 15 cm and height is 8 cm. What is its breadth (in cm)?

If 1/√(1 -­ sin2A) = x, then the value of x is

Find two numbers such that their mean proportion is 8 and third proportion is 64.

Divide 3740 in three parts in such a way that half of the first part, one-third of the second part and one-sixth of the third part are equal.

Find the LCM of 12, 16, 20 and 24.

If a+b=5 then the value of a-37+b-27 is

What is the value of (cosecA - cotA) / (secA + tanA)?