Quantitative Aptitude - Arithmetic Ability Questions

A regular square pyramid has side of its base 20 cm and height 45 cm is melted and recast into regular triangular pyramids of equilateral base of side 10 cm and height 10√3 cm. What are the total numbers of regular triangular pyramid?

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

Determine the largest 4 digit number which is a perfect square.

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

A mixture contains liquid A and liquid B in the ratio of 5 : 4. If 2 litres of liquid B is added to it, then the ratio of liquid A and liquid B becomes 7 : 6. What is the quantity (in litres) of liquid A in the mixture?

What is the simplified value of (cosec A + sin A)(cosec A – sin A)?

Compute 4923 / 547 - 10

If the product of two numbers is 2522 and their LCM is 97 then their HCF is