Question

on a shelf books with green cover and that with brown cover are in the ratio of 2 ratio 3 if there are 18 books with brilliant cover so how many numbers of books with brown cover
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Answer 1

Answer:

On a shelf, books with green cover and that with brown cover are in the ratio 2:3.

Let the ratio be 'x'.

So, the green covers are 2x and brown covers are 3x.

If there are 18 books with green cover.

i.e. $2x=18$

$x=18/2$

$x=9$

The number of brown covers are

$3x=3×9=27$

Therefore, the number of books with brown cover is 27.

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Answer 2

Right Question:-

On a shelf books with green cover and that with brown cover are in the ratio of 2 ratio 3 if there are 18 books with green cover so how many numbers of books with brown cover?

Given:-

• Number of books with green cover and brown cover are in ratio 2:3.
• Number of books with green cover is 18.

To Find:-

• Number of books with brown cover?

Solution:-

Let the ratio be 'x'

Then, the books with green cover is 2x and the books with brown cover is 3x.

Value of 'x':-

$\large2x = 18 \\ \\ \large x = \frac{18}{2 } \\ \\ \large x = 9$

Books with brown cover:-

$\large3x = 3 \times 9 \\ \\ \large3x = 27$

Hence,Number of books with brown cover is 27.