19 people went to a hotel for combine dinner party 13 of them spent Rs. 79 each on their dinner and rest spent 4 more th…

The mean of 5 numbers is 18. If one number is excluded, their mean is 16. Find the excluded number.

The average of the two-digit numbers, which remain the same when the digits interchange their positions, is-

A cricketer has a mean score of 60 runs in 10 innings. Find out how many runs are to be scored in the eleventh innings t…

The average weight of three boys A, B and C is $$54\frac{1}{3}$$ kg, while the average weight of B, D and E is 53 kg. Wh…

If the average temperature of first four days of the week was 39°C and the average temperature of the week was 40&de…

A cricketer whose bowling average is 24.85 runs per wickets, takes 5 wickets for 52 runs in next inning and thereby decr…

The average of 20 numbers is 12. The average of the first 12 numbers is 11 and that of the next 7 numbers is 10. The las…