If the average age of three persons is $56$ years and their ages are in the ratio 2 : 5 : 7 2 : 5 : 7 2 : 5 : 7 , then find the age of the youngest pe...

The population of a place increased to 50,000 from 2016 to 2018 at a rate of 6\% per annum, and this...

Rani and Adya, working separately, can finish a task in 12 days and 16 days, respectively. They work...

On the occasion of Republic Day, a retail store offers a discount of 26\% on the total purchase amou...

By how much is 60\% of 75 greater than $\frac{1}{5}$ of 25?...

Anil and Beena are friends, and the difference between their ages is $5$ years. Anil’s father Dinesh...

Calculate the value of the expression: $$4^3 - 0^2 + \left( \frac{22}{2} \right)^2 - 8 + 7 \times 6...