The average age of 8 men is increased by 2 years when two of them whose age are 21 and 23 years replaced by two new men. The average age of the two new men is? Mark as favorite Copy Link 22 years 24 years 28 years 30 years Check Answer
On mixing two classes A and B of students having average marks 25 and 40 respectively, the overall average obtained is 30. Find the ratio of the students in the classes A and B? Mark as favorite Copy Link 2 : 1 5 : 8 5 : 6 3 : 4 Check Answer
In a team of 10 persons, nine persons spent 40 each for their meal and the remaining one spent 9 more than the average expenditure of all the 10 persons. The total expenditure for their meal was? Mark as favorite Copy Link 510 310 410 610 Check Answer
The average of three numbers is 28, the first number is half of the second, the third number is twice the second, then the third number is? Mark as favorite Copy Link 48 36 24 18 Check Answer
The average of seven numbers is 18. If one of the number is 17 and if it is replaced by 31, then the average becomes? Mark as favorite Copy Link 21.5 19.5 20 21 Check Answer
The average of runs scored by a player in 10 innings is 50. How many runs should he score in the 11th innings so that his average is increased by 2 runs? Mark as favorite Copy Link 80 runs 72 runs 60 runs 54 runs Check Answer
There were 35 students in a hostel. If the number of students is increased by 7 the expenditure on food increases by 42 per day while the average expenditure of students is reduced by 1. What was the initial expenditure on food per day? Mark as favorite Copy Link 400 432 442 420 Check Answer
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 to raise the mean score to 62? Mark as favorite Copy Link 83 82 80 81 Check Answer
The average marks obtained by 40 students of a class is 86. If the 5 highest marks are removed, the average reduces by one mark. The average marks of the top 5 students is? Mark as favorite Copy Link 92 96 93 97 Check Answer
The average of l0 items was found to be 80 but while calculating, one of the items was counted as 60 instead of 50. Then the correct average would have been? Mark as favorite Copy Link 69 79.25 79 79.5 Check Answer