Quantitative Aptitude - Arithmetic Ability Questions

The sum of two digits of a number is 10. If the digits are interchanged, then its value increases by 18. Find the number.

Two pipes, when working one at a time can fill a cistern in 2 hrs and 3 hrs, respectively while a third pipe can drain the cistern empty in 6 hrs. All the three pipes were opened together when the cistern was 1/6 full. How long will it take for the cistern to be completely full?

Which of the numbers given below is NOT rational?

Select the odd number from the given alternatives.

In ΔUVW measure of angle V is 90 deg. If sinU = 24/25, and UV = 0.7cm, then what is the length (in cm) of side VW?

Select the odd word/letters/number/number pair from the given alternatives.

0.296 + 2.96 + 29.6 + 296 = ?

A pipe can fill a sump with water in 2 hours. Because of a leak, it took 2 2/3 hrs to fill the sump. The leak can drain all the water of the sump in