Start learning 50% faster. Sign in now
P R E S E N T A T I O N P S E T E O T B T J O O
Average age of 3 children born at intervals of 2 years is 8. How old is the eldest child?
If average of first 11 numbers is (n – 46) and the sum of remaining number is 1850. Find the value of ‘n’, if the average of 25 numbers is ‘n’...
The average of n numbers is 64. If each of 56% of the numbers is increased by 15 and each of the remaining numbers is decreased by 10, then the n...
Average run scored by a batsman in first ‘x’ matches is 77. In next 12 matches he scored runs with an average of 90 so that his overall average incr...
The average age of a group of 20 students is 40 years. Two persons of age 35 years and 30 years, left the group and 2 persons of age 40 years and 85 yea...
A batsman scores 87 runs in the 21st match of his career. His average runs per match increases by 2. What was his average before the 21st match.
The average number of books sold by Viren in first 4 months is 3600 and in first 5 months is 4200. If the number of books sold by him in 6th ...
The average of 18 numbers is 12. If each number is increased by 2, what will be the mean of the new set of numbers?