Quantitative Aptitude - Arithmetic Ability Questions

If angles of measure (5y + 62°) and (22° + y) are supplementary , then value of y is

Find the curved surface area (in cm²) of a hemisphere of diameter 28 cm

In triangle XYZ, G is the centroid. If XY = 11 cm, YZ = 14 cm and XZ = 7 cm, then what is the value (in cm) of GM ?

The mean of 21 observations (all different) is 40. If each observation greater than the median is increased by 21, then the mean of observations will become:

8 men can complete a work in 16 days. 16 women can complete the same work in 24 days. In how many days can 4 men and 8 women complete the same work?

A can finish a work in 7 days . B can finish the same work in 9 days . The days required to finish the work by both of them together.

In how many different ways can the letters of the word 'THERAPY' be arranged so that the vowels always come together?

What is the measure of an interior angle of a regular decagon?