The average marks obtained by 22 candidate in an examination are 45. The average marks of the first 10 candidates is 55…

In a family, the average age of a father and a mother is 35 years. The average age of the father, mother and their only …

Average score of a class of 60 students, in an exam, was 43. Average score of the students who had passed is 52 and the …

The average age of Ram and his two children is 17 years and the average age of Ram's wife and the same children is 16 ye…

If the average of m numbers is n<sup>2</sup> and that of n numbers is m<sup>2</sup> , then the …

The average age of 40 students of a class is 15 years. When 10 new students are admitted, the average is increased by 0.…

The arithmetic mean of the following numbers : 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 and 7, 7, 7…

Eight consecutive numbers are given. If the average of the two numbers that appear in the middle is 6, then the sum of t…