Quantitative Aptitude - Arithmetic Ability Questions

From a point, 40 m apart from the foot of a tower, the angle of elevation of its top is 60°. The height of the tower is

The expression 52n –23n has a factor?

Which of the following numbers will have an irrational square root?

Find the Odd one out.

Select the odd word/letters/number/number pair from the given alternatives.

A quadrilateral is inscribed in a circle. If the opposite angles of the quadrilateral are equal and length of its adjacent sides are 6 cm and 8 cm, what is the area of the circle?

PR is a tangent to a circle with centre O and radius 4 cm at point Q. If ∠POR = 90°, OR = 5 cm and OP = 20/3 cm, then the length of PR is:

A used two-wheeler dealer sells a scooter for Rs 46,000 and makes some loss. If he had sold it for Rs 58,000 his profit would have been double his loss. What was the cost price (in Rs) of the scooter?