Quantitative Aptitude - Arithmetic Ability Questions

R and S started a business by investing Rs 165000 and Rs 195000 respectively for the same period of time. If R’s share in the profit earned by them is Rs 11000, then what is the total profit (in Rs) earned by both of them together?

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)?

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

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

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

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

Simplify 486b3x2a4z3/27a3b2z