Question
Suresh received 100, 92, 85, 97, 90 and 88 marks in his
semester exams. What is his average score?Solution
Required average = (100 + 92 + 85 + 97 + 90 + 88) ÷ 6 = 92
A number is such that when it is multiplied by 9, it gives another number which is as much above from 420 as the original number (itself) is below 420. ...
A student scored marks with a certain average in the first 12 tests. In the next 6 tests, he scored with an average of 78 marks, due to which his overal...
The average age of a class of 20 girls is 14 years. If 5 new girls having average age of 9 years join the class, then the average age of the class becomes:
The ratio of the present ages of P and Q is 7:4 respectively. If the age of P 13 years hence from now will be 125% more than the age of Q 4 years ago fr...
- The average weight of 10 individuals in an organization is 50 kg. When two new members, Akash and Binny, join the organization, their weights being in the ...
The average of n numbers is 62. If each of 55% of the numbers is increased by 18 and each of the remaining numbers is decreased by 12, then the n...
There are three numbers 'm', 'n' and 'p' such that average of 'm' and 'n' is 25, average of 'n' and 'p' is 15 and average of 'm' and 'p' is 20. Find the...
Average of nine consecutive numbers is 65. Find the sum of smallest and largest number.
The average of 6 numbers is 25. If one of the numbers is 30, what is the average of the remaining 5 numbers?
Three sections of a college have 30, 25 and 35 students respectively. The average marks of Section B is 68 and that of Section C is 72. The combined ave...
