A student finds the average of ten 2 digits numbers. While copying numbers, by mistake, he writes in number with its dig…

In a school with 600 students, the average age of the boys is 12 years and that of the girls is 11 years. If the average…

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…

The average price of 10 books is Rs.12 while the average price of 8 of these books is Rs.11.75. Of the remaining two boo…

The average of a collection of 20 measurements was calculated to tb 56 cm. But later it was found that a mistake had occ…

In a one-day cricket match the captain of one of the teams scored 30 runs more than the average runs scored by the remai…

If the average of 6 consecutive even number is 25, the difference between the largest and the smallest number is :

Find the average of all the numbers between 6 and 34 which are divisible by 5 -