The average age of 13 girls is 40 years. If the age of one more girl is added the average decreases by half a year. What is the age of new girl?
The average of 35 numbers is 50. If 5 is added to each number, then the new average will be:
The average marks of 'm' students in a math test is (m + 5) and the average marks of 30 girls is (2m - 10). If the average marks of all students togethe...
The average age of a class of 23 girls is 15 years. If 2 new girls having average age of 10 years join the class, then the average age of the class beco...
P spends 24% of his salary on transportation, 36% on food, 19% on children’s education and 17% on medical. He deposits the remaining amount of Rs....
Average of four consecutive prime numbers R1, R2, R3, and R4 is (14 + x). If the average of R1 and R2 is (11 + x) and the average of R3 and R4 is (11 + ...
Rohit contributed 96 runs, which was 60% of his team’s total score. If the team got 12 runs as extras, how many runs were made by the rest of the play...
- The incomes of ‘X’, ‘Y’ and ‘Z’ are in the ratio 3:4:5, respectively and the average of their incomes is Rs. 12,000. If ‘X’, ‘Y’ and �...
The average of 27 numbers is 20.The average of first 13 numbers is 15 and that of the last 13 numbers is 18. What will be the 27th number?
A group contains some number of members. If 2 members with an average weight of 61 kg leave the group, the average weight of the remaining members decre...
