Quantitative Aptitude - Arithmetic Ability Questions

If 7 + 4x > 3 + 3x and 3x -­ 2 < 5 -­ x; then x can take which of the following values?

The HCF of 20, 28 and 48 is

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.

In ΔDEF measure of angle E is 90 deg. If cotD = 8/15, and DE = 16cm, then what is the length (in cm) of side EF?

Two persons are on either side of a temple, 75 m high, observe the angle of elevation of the top of the temple to be 30 and 60 deg respectively. The distance between the persons is

If A is 50% more than B, then B is what percent of A?

If O is the centroid and AD, BE and CF are the three medians of Δ ABC with an area of 96 cm2 then the area of Δ BOD in cm2 is