Question

m
Mohit is m years old. His sister is 3 times as old as he is. His brother is 4 years younger than his sister.
a) Find his sister's age in terms of m.
b) Find his brother's age in terms of m.
c) If m = 5, how old is his brother?

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Answer 1

mohit's age = m yrs

sister's age = 3m yrs

brother's age = (3m-4) yrs

a. 3m yrs

b. 3m - 4. yrs

c. 11 yrs