Quantitative Aptitude - Arithmetic Ability Questions

O is the centre of the circle and ∠AOB = 150°, and the shaded portion is x part of the circular region, then x = ?

The mean of marks secured by 60 students in division A of class X is 64, 40 students of division B is 60 and that of 60 students of division C is 58. Find the mean of marks of the students of three divisions of Class X.

If A : B = 3 : 5, then what is the value of A + B : B?

In ΔPQR measure of angle Q is 90°. If tanP = 4/3, and PQ = 1.5cm, then what is the length (in cm) of side PR?

3cosA is equal to

Select the odd number from the given alternatives.

Simplify 50 + 18 - 8

If 5x/2 - [7(6x - 3/2)]/4 = 5/8, then what is the value of x?