Question

2. If Meena's present age is x years, write
a) Her age after 7 years
b) Her age 5 years back
c) Meena's grandmothers' age is 6 times Meena's age.​

Answer 1

a) Her age after 7 years → (x + 7) years

b) Her age 5 years back → (x - 5) years

c) Meena's grandmothers' age is 6 times Meena's age → 6x years

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Let's understand a few concepts:

Let's say "x" years be the present age of a person.

We have "n" no. of years.

So,

The person's age after n years will be = (x + n) years

and

The person's age n years ago / n years back was = (x - n) years

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Let's solve the given problem:

It is given that,

The present age of Meena is x years

Therefore,

a) Her age after 7 years:

Meena's age after 7 years will be,

= $\boxed{\bold{(x + 7 )\:years}}$

b) Her age 5 years back:

Meena's age 5 years back was,

= $\boxed{\bold{(x - 5 )\:years}}$

c) Meena's grandmothers' age is 6 times Meena's age:

Let's say grandmother's age is denoted as "G" years.

So,

Meena's Grandmother's age will be,

⇒ $\boxed{\bold{G = 6x \:years}}$

Thus,

a) Her age after 7 years → (x + 7) years

b) Her age 5 years back → (x - 5) years

c) Meena's grandmothers' age is 6 times Meena's age → 6x years

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