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

The average salary, per head, of all the workers of an institution is Rs. 60. The average salary of 12 officers is Rs. 4…

If a, b, c, d, e are five consecutive odd numbers, their average is :

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then …

3 years ago the average of a family of 5 members was 17 years. A baby having been born, the average age of the family is…

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…

A batsman makes a score of 270 runs in the 87<sup>th</sup> inning and thus increase his average by a certain…

The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average of C and D is 42…