Question

Sum of two number is 10 and their difference is 2.The numbers are

• A. 7 and 3
• B. 7 and 5
• C. 6 and 4
• D. 5 and 3

Answer 1

The correct option is C

6 and 4

Let the numbers be a and b.

a + b = 10....(i)

a - b = 2......(ii)

Adding (i) and (ii)

2a = 12

$\Rightarrow$ a = 6

Substituting a in (i) we get b = 4