A batsman makes a score of 87 runs in the 17<sup>th</sup> inning and thus increases his average by 3. Find h…

B was born when A was 4 years 7 months old and C was born when B was 3 years 4 months old. When C was 5 years 2 months o…

A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must …

A coaching institute has students in 3 batches – X, Y and Z. In a certain examination, the average marks obtained …

When the average age of a couple and their son was 42 years, the son married and got a child after one year. When the ch…

The average of x<sub>1</sub>, x<sub>2</sub>, x<sub>3</sub> and x<sub>4</su…

The average weight of 45 students in a class is 52 kg. Five of them whose average weight is 48 kg leave the class and ot…

The average weight of first 11 persons among 12 persons is 95 kg. The weight of 12<sup>th</sup> person is 33…