Quantitative Aptitude - Arithmetic Ability Questions

The area and the length of one of the diagonals of a rhombus is 60 cm2 and 8 cm respectively. Find the length of its other diagonal (in cm).

Suppose that the medians BD, CE and AF of a triangle ABC meet at G. Then AG: GF is

Coefficient of x in (x + 11)(3 -­ 5x) is _____.

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?

If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?

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

If cosec 45° - sin 30° = x, then x is

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.