Quantitative Aptitude - Arithmetic Ability Questions

The perimeter and the breadth of a rectangle are 68 cm and 10 cm respectively. Calculate the length of its diagonal (in cm).

What is the reflection of the point (3, 2) in the line y = -2?

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 120 sq.cm and 8 cm respectively ?

In the given fig, ST||RP, then what is the value of supplementary angle y (in deg)?

Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.

The average age of 27 students of a class is 22. If the age of the teacher is also added to their ages, then the average increases by one. Find the age of the teacher.

The effective annual rate of interest corresponding to a nominal rate of 19% per annum payable half­yearly is:

Saathi deposited Rs. 825 in a bank that promised 8% simple interest per annum. If Saathi kept the money with the bank for 5 years, she will earn an interest of