Quantitative Aptitude - Arithmetic Ability Questions

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

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?

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

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

An angle is greater than its complementary angle by 40°. Find the measure of the angle?

In a mixture 25 liters, the ratio of milk and water is 4:1. How many liters of milk must be added to make the ratio 16:1?

The radius and the height of a cone are each increased by 20%. Then the volume of the cone increases by

19 x 23 = 437. Then 190 x 0.023 = ?