Quantitative Aptitude - Arithmetic Ability Questions

Calculate the area (in cm2 ) of a circle of radius 10.5 cm.

The area of an equilateral triangle is 9√3 sq cm, find its perimeter?

Common factor of 24b6c8d2, 18a6c2d4, 12a4b4 is

A T.V was sold at a profit of 5% If it had been sold at a profit of 10% , the profit would have been Rs. 1000 more. What is its cost price ?

In an ornament the ratio of gold and copper is 3:2. The percentage of gold in the ornament is:

Raghunandan sells a machine for Rs 45 lakhs at a loss. Had he sold it for Rs 55 lakh, his gain would have been 9 times the former loss. Find the cost price of the machine.

By what fraction selling price (S.P.) must be multiplied to get the cost price (C.P.) if the loss is 20% ?

A and B invest Rs. 3000 and Rs. 2400 respectively in a business. If after one year there is a loss of Rs. 720, how much loss will B bear? (Loss or Profit is in proportion to their investments)