Quantitative Aptitude - Arithmetic Ability Questions

Total surface area of a cube is 486 sq cm, find sum of length of all its edges?

If the time increases by 5 years, then simple interest increases by Rs 3000 on a sum of Rs 5000. What is the rate (in percentage) of interest per annum?

The ratio of the cost price and selling price of an article is 5 : 3. What is the loss percentage?

The smallest number that must be subtracted from 2800 so that the obtained number is a perfect square is

A, B and C can finish a job working alone in 72, 24 and 36 days respectively. In how many days they can finish the job if they worked together?

What should be the missing digit so that the number 275_476 becomes exactly divisible by 11?

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

Find out the odd word/letters/number/number pair from the given alternatives.