Question

7. Find the numbers which are in the ratio 3:2 : 4 such
that the sum of the first and the second added to the
difference of the third and the second is 21.​

Answer 1

☆ Solution ☆

Given :-

• The numbers which are in the ratio 3:2 : 4 such that the sum of the first and the second added to the difference of the third and the second is 21.

To Find :-

• The number.

Step-by-Step-Explaination :-

Let the number be 3x, 2x and 4 x

According to the question,

3x + 2x + 4x = 21

7x = 21

x = 21 / 7

x = 3

So,

Numbers are :-

3 × 3 = 9

2 × 3 = 6

4 × 3 = 12

Hence Solved !