The average weight of a group of five persons, A, B, C, D, and E is 62 kg. If another person K joins the group then the average weight of the group is d...
The average age of a group of persons going for tour to Shimla is 22 years. 30 new persons with an average age of 8 years join the group and their avera...
The average of the first four numbers is 'x+30', the average of the next 10 numbers is 'x', and the average of the remaining 6 numbers is 'x−20'. If t...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 62.5 while average of last 5 numbers is 74.8 and 13th, 14th a...
The average weight of ‘x’ persons is 50 kg. The average weight of (x – 15) women is 40 kg, the average weight of (x – 20) children is 35 kg, and...
The average weight of 14 persons increases by 3.5 kg when a new person comes in place of one of them weighing 48 kg. The weight of the new person is.
In a cricket match the captain of one of a team scored 26 runs more than the average runs scored by the remaining 10 batsmen of that team who batted in ...
Average age of 16 students is 18 years. If 4 students leave the class, then the average age decreases by 1.5 years. Find the average age of the students...
There are three numbers such that when the average of any of the two numbers is added with the third number, sum obtained will be 130, 142 and 154. Find...
The average number of books read by 40 Indian students in a year is 30. If the books read by their librarian are included, the average increases by 2 bo...
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