Quantitative Aptitude - Arithmetic Ability Questions

In a rhombus _____.

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If S divides PQ in the ratio 4:3 and length of QR is 4.9 cm, find ST?

Which of the following is equivalent to 0.565656...?

If the standard deviation of a population is 4.5, what would be the population variance?

In the following question, select the odd letter/letters from the given alternatives.

Find the total surface area (in cm2) of a right circular cone of diameter 21 cm and slant height 11 cm.

The volume of a hemisphere is 19404 cm3. Find its diameter (in cm).

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 22472, and Rs 23820.32 respectively, what is the rate of interest?