The following question consists of three statements I, II and III are given below. You have to decide whether the data provided in the statements are sufficient to answer the question.

What is the average of the six members A, B, C, D, E and F in the family?

I. Total age of D and E is 14 years.

II. Average age of A, B, C and F is 50 years.

III. Average age of A, B, D and E is 40 years.

(a) I and II only (b) I and III only (c) II and III only (d) All I, II and III

The following question consists of three statements I, II and III are given below. You have to decide whether the data provided in the statements are sufficient to answer the question.

What is the average of the six members A, B, C, D, E and F in the family?

I. Total age of D and E is 14 years.

II. Average age of A, B, C and F is 50 years.

III. Average age of A, B, D and E is 40 years.

(a) I and II only (b) I and III only (c) II and III only (d) All I, II and III

1 Answer

127 votes

I. gives,

II. gives, = 50

III. gives,

Adding we get = 214.

Required average = yrs.

Thus, only I and II together give the answer.

127 votes

127