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1.
The average mark in 2 subjects is 35 and in three other subject is 40.Then find the average mark in all the five matches ?
2.
The average height of 15 students is calculated as 75. But later it was found that the height of 1 student wrongly entered as 35 instead of 38 and another as 46 instead of 63.The correct average is
3.
Among the three number the first is thrice the third number and second number is half of the first number. If the average of the three number is 65.8 then find the third number
4.
The average weight of 3 students P,Q and R is 84kg.Anothe students S joins the group and the average becomes 80kg. If another man T whose weight is 3kg more than that of S, replaces P, then the average weight of Q,R,S and T becomes 79 kg then the weight of P is
5.
The average of 5 consecutive number is 58.Find the first number ?
6.
The average weight of 8 staff is increased by 3kg when one of them whose weight is 50kg is replaced by a new staff. The weight of the new staff is
7.
The average age of 15 army men is 60yrs.5 new army men of average age 30yrs join them. Find the new average age
8.
The average ages of 4 member, each having the age difference of 2yrs is 54 yrs.What is the sum of the youngest and oldest family member ?
9.
If a man spends 1000rs for the first five months, 2000rs for the next four months and 3000rs for the next 3 months and he saves 2000rs in the whole year then his average monthly salary will be ?
10.
In a family of 6 members, the average age of the family at present is 25 while the age of the youngest member in the family is 5yrs, so what will be the average age of the family at the time of his birth ?