Quantitative Aptitude - Arithmetic Ability Questions

A sum of Rs 1200 amounts to Rs 1740 in 3 years at simple interest. If rate of interest is increased by 3%, then what will be the new amount (in Rs)?

What is the area (in sq cm) of a circle whose circumference is 22 cm?

If two successive discounts of 30% and 10% are given, then what will be the ratio of marked price to selling price?

In a company 2/3 of the workers are girls, 1/2 of the girls are married and 1/3 of the married girls live in hostel. If 3/4 of the boys are married and 2/3 of married boys live in hostel. Calculate the part of workers who don’t live in hostel.

The LCM of 72 and 84 is:

A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose?

Find the value of 532+108

If cos4θ-sin4θ=13 then the value of tan2θ is