Quantitative Aptitude - Arithmetic Ability Questions

Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be

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

Anuj runs 1 2/3 laps of 7 laps race, find the remaining laps to be run.

What will be the value of r2+p2+s2-rp-ps-rs when r = 4, p = 2, s = 8?

Which of the following equations has real and distinct roots?

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?

If the average age of four children is 12 years and the average age of these children and their fathers is 20 years, what is the age of the father?

Of the 3 numbers whose average is 112, the first is 3/13 times the sum of other 2. The first number is _____.