CBSE - Aptitude Mathematics

In a distribution variance is 144 and the mean is 30. The coefficient of variation will be 1.40 2.30 3.25 4.35

If the angles of a triangle are in the ratio 1:2:2, then the triangle 1. is isosceles 2. is obtuse 3. is a right triangle 4. is equilateral

G.M. of 3,4,5 is 1.2v15 2.v75 3.v12 4.none of these

A train crosses a pole in 15 seconds while a 100 metre long platform in 25 seconds. What is the length of the train? (1) 125 m (2) 135 m (3) 150 m (4) 175 m

The least odd natural number is 1. 0 2. 2 3. 3 4. 1