Quantitative Aptitude - Arithmetic Ability Questions

How many spherical balls of radius 1 cm can be made by melting a hemisphere of radius 6 cm?

The radius of a wire is decreased to one-third. If volume remains the same, length will increase by

Which of the following can't be the unit's digit of a perfect square?

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?

If 60 boys can finish a work in 15 days by working 8 hours a day, then how many hours a day should 72 boys work to finish that work within 20 days?

In which of the following quadrilaterals only one pair of opposite angles is supplementary?

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

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.