Quantitative Aptitude - Arithmetic Ability Questions

What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?

If 7x + 2 ≥ x - 2 and 7 + 2x ≥ 3 + 3x; then x can take which of the following values?

If 5 -­ x > 1 + 3x and 5 + 5x ≥ 2 + 2x; then x can take which of the following values?

Simplify 11.9983 = ?

In ΔPQR measure of angle Q is 90°. If cosP = 5/13, and PQ = 2.5cm, then what is the length (in cm) of side PR?

What is the digit in unit's place of the product 51 x 52 x 53 ...... 59?

The perimeter and the breadth of a rectangle are 68 cm and 10 cm respectively. Calculate the length of its diagonal (in cm).

The surface area of a sphere is 5544 cm2. Find its diameter (in cm).