Question

The average age of 4 brothers is 12 years.if the age of their ages. the new average increases by 5 years.what is their mother,s age?

Answer 1

Total age of 4 brothers = 4 x 12 = 48 yrs

New average = 12 + 5 = 17

Now,

total age of 5 members = 17 x 5 = 85 yrs

Mother's age = 85 - 48 = 37 yrs

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