Question

The sum of two number is 8.if there sum is 4 time their diffrence find the number.

Answer 1

Answer:

Correct option is

C

5,3

Let the two numbers be a,b

Then, a+b=8 ...(1)

and, a+b=4(a−b) or 5b=3a⇒b=

5

3a

Put value of b in equation (1)

a+

5

3a

=8

8a=8×5

a=5

Hence, b=

5

3a

=

5

3×5

=3

Answer 2

Answer:

Step-by-step explanation:

Let the two numbers be a,b

Then, a+b=8 ...(1)

and, a+b=4(a−b) or 5b=3a⇒b=  

5

3a

​

 

Put value of b in equation (1)

a+  

5

3a

​

=8

8a=8×5

a=5

Hence, b=  

5

3a

​

=  

5

3×5

​

=3