Average age of ten persons learning yoga is 32 years. When the age of their instructor is added, the average age becomes…

The frequency distribution data is given below. If the average age is 17 years, the value of m is<br> <table cl…

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 a group of 20 boys was calculated to be 89.4 kg and it was later discovered that one weight was mi…

The average of six numbers is x and the average of three of these is y. If the average of the remaining three is z, then…

In a pre school, the average weight of 30 girls in a class among 50 students is 16 kg and that of the remaining students…

The average weight of 47 balls is 4 g. if the weight of the bag (in which the balls are kept) be included; the calculate…

The average of 50 numbers is 30. If two numbers, 35 and 40 are discarded, then the average of the remaining numbers is n…