In a team, there are 15 men and 25 women. The average weight of each man is 70 kg while that of each woman is 60 kg. What is the average weight of a per...
The average age of three children in a family is 35% of the average of the age of father and the eldest child. The total age of the mother and the young...
Average age of A, B and C is 20 years. Average age of B and C was 12 years when A was born. If B is 21 years old, then, find the age of C, 6 years hence.
There are two sections A and B of a class, consisting of 38 and 42 students, respectively. If the average weight of the students of section A is 55 kg a...
The average age of 12 boys in the group is 9 years. If 2 more boys join the group, the average is increased by 1 year. What is the average age (in years...
Average of 15 observations calculated by a student was 70 but when he again went through his observations he realised that he took value of three observ...
The average of four consecutive numbers is 48. What is the largest number in this group?
P, Q, R, S and T are five persons. The weight of P, Q and R is 80%, 102% and 84% respectively of the average weight of all five. The ratio of weight of ...
There are three classes P, Q and R. The average marks of class P is 75. The average marks of class Q is 80. The average marks of class R is 85. The aver...
Ajay on his birthday distributed on an average 9 toffees per student. If on the arrival of the teacher and the headmaster to whom Ajay gave 16 and 22 to...
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