What is the average age of A and B and C?

Three years ago the average age of A and B was 18 years. So the average age of A and B now = 18+3 = 21 years. So the combined ages of A and B, now is 42 years. With C joining them, now the average of the ages of A, B and C = 22 years, or the combined ages of A, B and C = 3*22 = 66 years.

What is the average age of 30 students of a class?

The average age of 30 students of a class is 14 year 4 month. After admission of 5 new student in the class the average becomes 13 year 9 month. The youngest one of the five new students is 9 year 11 month old.

What is the ratio of a’s and 13’s ages two years ago?

The average age of a woman and her daughter is 16 years. sum of ages = 16*2=32 years. The ratio of their ages in 7 : 1 say 7x and x. 19. The ratio between A’s and 13’s ages two years ago was 3: 2 and at present it is 7: 5.

What is the average age of a family of 5 members?

In a family of 5 members, the average age at present is 33 years. The youngest member is 9 year old. The average age of the family just before the birth of the youngest member was : 2). A man had 7 children, When their average age was 12 years, a child aged 6 years died.

The average age of A and B is 20 years. If A is to be replaced by c, the average would be 19 years, The average age of C and A is 21 years. The ages of A, B and C in order (in years) are A) 18, 22, 20

What is the sum of the ages of A B C D?

Average age of A and B is 24 years and average age of B, C and D is 22 years. The sum of the ages of A, B, C and D is 3. A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is Let the son’s present age be x years.

What is the average age of B in the table?

Average age of A,B,C is 26 years means, their total age can be 26*3=78. Now the average age of A,C means, their total age can be 29*2=58. Hence the age of B is 78–58=20 Years.