Quantitative Aptitude - Arithmetic Ability Questions

A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was:

Find the approximate value of ? in (14.998)3 = ?

A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square  tiles, all of the same size. what is the largest size of the tile which could be used for the purpose?

In the following question, select the odd word pair from the given alternatives.

If 3/5 of x is equal to 4/9 of y, then what is the ratio of x and y?

Calculate the area (in cm2) of a circle whose diameter is 7 cm.

Choose the correct option for the figure shown below.

An air conditioner can cool the hall in 40 miutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room approximately ?