Quantitative Aptitude - Arithmetic Ability Questions

If the radius of a circle is increased by 21%, then its area will increase by what percent?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 1,800, and Rs 1,926 respectively, what is the rate of interest?

Ticket for an adult is Rs 1500 and a child is Rs 800. 1 child goes free with two adults. If a group has 25 adults and 12 children what is the discount the group gets?

A missile travels at 1116 km/h. How many metres does it travel in one second?

A wholesaler sells a watch to a retailer at a profit of 33% and the retailer sells it to a customer at a loss of 20%. If the customer pays Rs 2,181.2, what had it cost the wholesaler?

Find the odd words/letters/number from the given alternatives.

If x3+ 2x2– 5x + k is divisible by x + 1, then what is the value of k?

x and y are two numbers such that their mean proportion is 16 and third proportion is 128. What is the value of x and y?