Quantitative Aptitude - Arithmetic Ability Questions

Two pipes can fill a cistern in 28 and 21 hours respectively and an another pipe can empty 30 gallons of water per hour. All the three pipes working together can fill the empty cistern in 84 hours. What is the capacity (in gallons) of the cistern?

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

If selling price is Rs. 72 and Gain percentage = 20%, calculate the Cost Price.

If an equilateral triangle has side 12 cm, then what is the difference (in cm) between the circumradius and inradius?

In ΔABC, ∠B=90 deg and BC= √3 AB. Find the measurement of ∠A

If 2+x+2-x2+x-2-x=2,then the value of X is

On dividing a number by 38, we get 70 as quotient and 12 as remainder. What is the number?

If (sinA + CosA)/(sin A - cos A) = 5/4, the value of (tan2A + 1)/(tan2A - 1) = ?