Quantitative Aptitude - Arithmetic Ability Questions

If [2(4x/5 - 3/4)]/3 - 5/3 = -1/6, then the value of x is?

If (x – 2)2 + (y + 3)2 + (z – 15)2 = 0, then what is the value of x + y + z – 5?

What is the difference (in Rs) in Compound interest earned in 1 year on a sum of Rs 25,000 at 20% per annum compounded semi-annually and annually?

A sum of Rs 1200 amounts to Rs 1740 in 3 years at simple interest. If rate of interest is increased by 3%, then what will be the new amount (in Rs)?

In a triangle XYZ , which of the following conditions is true

Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is

The lengths of the two diagonals of a rhombus are 5 cm and 12 cm. Find its area (in cm2)

Find the least number which must be subtracted from 18265 to make it a perfect square