Quantitative Aptitude - Arithmetic Ability Questions

All rational numbers are ____ numbers.

The average of 8 consecutive integers is 23/2. What is the average of first three integers?

The perimeter of a square is 30 cm. Find its area (in cm²).

In Δ ABC , if ∠BAC = 90° and AB = AC , then ∠ABC is

In the given figure, if AD = 12 cm, AE = 8 cm and EC = 14 cm, then what is the value of BD in cm?

35% of an alloy was silver. If in the quantity of alloy there was 119 g of silver, what was the quantity of the elements in the alloy?

Three consecutive natural numbers are such that the square of the greatest is greater than the product of the other two by 19. The smallest of these numbers is

Working together, pipes A and B can fill an empty tank in 10 hours. They worked together for 4 hours and then B stopped and A continued filling the tank till it was full. It took a total of 13 hours to fill the tank. How long would it take A to fill the empty tank alone?