(a) Given Munnu’s age to be x years, can you guess what `(x + 2)` may show? (Hint : Think of Munnu’s younger brother.) Can you guess what `(x + 4)` may show? What `(3 x +7 )` may show? (b) Given Sara’s age today to be y years. Think of her age in the future or in the past. What will the following expression indicate? `y + 7, y - 3, y + (4) 1/2, (2) 1/2.` (c) Given n students in the class like football, what may 2 n show ? What may `n/2` show ? (Hint : Think of games others than football )Type here in ASCII with maths in back tick :

Explanation

a)x-2 represent the age of the person who is 2 years younger than munnu

x+4 represents the age of the person than can be his elder brother who is 4 years older than munnu.

3x+7 represents the age of the person whose age is seven years more than 3 time munnus age than can be his father.

b)y+7 represents saras age 7 years late

y-3 represents saras age 3 years ago

y+4 1/2 represents saras age 4 1/2 years later.

y-2 1/2 represents saras age 2 1/2 years ago.

c)2n may show the number of students who like cricket or football

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