Question

The ratio of two numbers 5:7 and their sum is 84 find this number

Answer 1

Two numbers are in the ratio 5 : 7

And the sum of the numbers is 84

Let the common ratio be a

So the numbers be 5a and 7a

Now , according to the question ,

5a + 7a = 84

[ °•° The sum of the numbers is 84 ]

12a = 84

a = 84 / 12

a = 7

So , the value of a is 7

Now , the numbers be ,

5a = 5 × 7 = 35

7a = 7 × 7 = 49 [ REQUIRED ANSWER ]

•°• Therefore , The numbers are 35 and 49