Quantitative Aptitude - Arithmetic Ability Questions

Sum of lengths of all edges of a cube is 84 cm, find its volume?

The expression 52n –23n has a factor?

Simple interest on a sum of Rs 1400 for 3 years and 4 months is Rs 700. What is the rate (in percentage) of interest per annum?

The angles of elevation of the top of a tree 220 meters high from two points lie on the same plane are 30° and 45°. What is the distance (in metres) between the two points?

If A = 0.216 + 0.0080.36+0.04-0.12 & B = 0.729-0.0270.81+0.09+0.27, then what is the value of A2+B22 ?

A tower stands on the top of a building which is 40 metres high. The angle of depression of a point situated on the ground from the top and bottom of the tower are found to be 60 and 45 deg respectively. What is the height (in metres) of tower?

In the following question, select the odd number pair from the given alternatives.

If 2x + (9/x) = 9, then what is the minimum value of x2+1x2 = ?