Quantitative Aptitude - Arithmetic Ability Questions

If the sum of the digits of any integer between 100 and 1000 is subtracted from the same integer , the resulting number is always divisibleby

The sum of ages of 4 children born at intervals of 4 years each is 60. What is the age of the youngest child?

How long will Ramesh take to run round a square park of edge 50 meters, if he runs at the rate of 18 km/hr?

In the given figure, AB, AE, EF, FG and GB are semicircles. AB = 56 cm and AE = EF = FG = GB. What is the area (in sq.cm) of the shaded region?

A missile travels at 1440 km/h. How many metres does it travel in one second?

A taxi going at 90 km/hr takes 35 minutes to travel a certain distance. By how much should it increase its speed (in km/hr) to travel the same distance in 21 minutes?

If secA = x, then the value of x is

Find two numbers such that their mean proportion is 16 and third proportion is 1024.