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

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…

My Scooty gives an average of 40 kmpl of petrol. But after recent filling at the new petrol pump, its average dropped to…

In a certain factory there are five workers A, B, C, D and E. A can complete a work in 4 minutes, B in 5 minutes, C in 6…

There are three positive numbers. One third of the average of all the three numbers is 8 less than the value of the high…

Average of a, b, and c is 11; average of c, d and e is 17; average of e and f is 22 and average of e and c is 17. Find o…

Average cost of 5 apples and 4 mangoes is Rs. 36. The average cost of 7 apples and 8 mangoes is Rs. 48. Find the total c…

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