Question

The average age of Khan, Kapoor, Kumar, Bachhan and Roshan is
28 years. The average age of Bachhan and Roshan is 25 years.
What is the average age of Khan, Kapoor and Kumar ?​

Answer 1

Answer:

Here 5 persons' average ( Khan, Kapoor, Kumar, Bachhan and Roshan) age is = 28 Years. That means their total age = 5 X 28 = 140 Years. similarly, average age of two persons (Bachhan and Roshan) is 25 years. So their total age = 25 X 2 = 50 Years.

Explanation:

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Answer 2

Answer:

30

Explanation:

avg age= Khan+Kapoor+Kumar+bachhan+Roshan/5

28=Khan+Kapoor+Kumar+bachhan+Roshan/5

28*5=140=Khan+Kumar+kapoor+bachhan+Roshan

25=bachhan+Roshan/2;

25*2=50=bachhan+Roshan

avg age=Khan+Kapoor+Kumar/3

avg age=140-50/3

avg age=90/3

avg age=30