Quantitative Aptitude - Arithmetic Ability Questions

A tap can fill a tank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2.5 hours, the tank will now be filled in

The initial ratio of sugar to flour in a dough was 2 : 7. To 9 kg of the dough John added more sugar to make the sugar to flour ratio 2 : 5. How much sugar did John later add?

The salary of a person is reduced by 20% . To restore the previous salary, his present salary is to be increased by

A car takes 5 hours to cover 100 kms distance at a particular speed whereas another car takes 3 hours to reach a particular distance at the same speed. Find the distance.

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

At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11 : 25 a.m, when will they next ring together?

What is the simplified value of (sec4 A – tan2 A) – (tan4 A + sec2 A)?

The rate of simple interest for which a sum of money becomes 5 times in 8 years is