Quantitative Aptitude - Arithmetic Ability Questions

Starting with 8000 workers, the company increases the number of workers by 5%, 10% and 20% at the end of first, second and third year respectively. The number of workers in the fourth yearwas

Rakesh’s present age is 36 years. If 12 years ago, Deepak’s age was one-fourth of Rakesh’s age, then after 27 years what will be the age (in years) of Deepak?

The cross­section of a canal is in the shape of an isosceles trapezium which is 3 m wide at the bottom and 5 m wide at the top. If the depth of the canal is 2 m and it is 110 m long, what is the maximum capacity of this canal? (Take π = 22/7)

A man spends 59% of his income and saves the rest. What percentage of his expenditure does he save?

If (x – y) = 7, then what is the value of (x – 15)3 – (y – 8)3?

What is the value of tan 1° tan 2° tan 3°....... tan 89°?

In ΔUVW measure of angle V is 90 deg. If cosecU = 13/12, and UV = 2.5cm, then what is the length (in cm) of side VW?

If a - b = 2 and ab = 8, then what is the value of a3 - b3?