Six tables and twelve chairs were bought for Rs. 7800. If the average price of a table is Rs. 750, then the average pric…

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 …

Ten years ago, the ages of the members of a joint family of eight people added up to 231 years. Three years later, one m…

In a family of 5 members, the average age at present is 33 years. The youngest member is 9 years old. The average age of…

The average of odd numbers up to 100 is

Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 y…

The average age of the mother and her six children is 12 years which is reduced by 5 years if the age of the mother is e…

Out of nine persons, 8 persons spent Rs. 30 each for their meals. The ninth one spent Rs. 20 more than the average expen…