The average age of 30 students of a class is 14 years 4 months. After admission of 5 new students in the class the avera…

19 people went to a hotel for combine dinner party 13 of them spent Rs. 79 each on their dinner and rest spent 4 more th…

The average of the first nine prime numbers is-

In a class, the average score of girls in an examination is 73 and that of boys is 71. The average score for the whole c…

A man had 7 children. When their average age was 12 years, a child aged 6 years died. Then average age of remaining six …

The average score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches is 42, then find…

A batsman makes a score of 84 runs in the 21<sup>st</sup> inning and thus increases his average by 2 runs. H…

The average score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches is 42, then find…