Quantitative Aptitude - Arithmetic Ability Questions

The line parallel to the BC of the triangle ABC divides the other two sides at the point D and E in such a way that AB=3AD. Calculate the ratio of DE and BC.

Present age of Ashok is twice the present age of Kishan. After 7 years the Kishan’s age will be 4 times of the Kartik’s present age. If Kartik celebrated his 9thbirthday 3 years ago, then what will be the present age (in years) of Ashok?

What is the reflection of the point (-1 , 3) in the line x = -4?

The volume of a right circular cone, with a base radius the same as its altitude, and the volume of a hemisphere are equal. The ratio of the radii of the cone to the hemisphere is

Two tangents PA and PB are drawn to a circle of centre O in such a way that angle AOB = 120 deg. Calculate the value of angle APB.

What is the diameter (in cm) of a sphere of surface area 6.16 sq cm?

The sum of two fractions is 3/4. One of them is 2/3. What is the other fraction?

ABCD is a cyclic trapezium in which AD || BC. If ∠ABC = 70°, then ∠BCD is