Question

37. Sunita is half the age of her mother Geeta. Find Geeta's age (in years). (i) after 4 years. (ii) before 3 years. also write why we have to perform that calculation there​

Answer 1

Answer:

Geeta's Age After 4 Years:                        Geeta's Age Before 3 Years:

Step-by-step explanation:

From the given data we can infer that.

Present age of Sunita's mother Geeta = x  ----> 1  

Present age of Sunita = $\frac{1}{2} x = \frac{x}{2}$ -------> 2

After equating 1 and 2 we get,

$x=\frac{x}{2}$

$2x=x$  ( After transferring 2 from LHS to RHS )

∴ Present age of Sunita = x

And, Present age of her mother Geeta = 2x

(i) After 4 Years

Age of Sunita = $x+4$

And, Age of her mother Geeta = $2x + 4$ = $2 ( x+2)$  [ Taking out the common ]

(ii) Before 3 Years

Age of Sunita = $x-3$

And, Age of her mother Geeta = $2x-3$

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