Question

7. Square of two more than a two digit number is multiplied and divided by 2 and 5 respectively. If twice of the result is equal to 500 then find the number?

Answer 1

Answer:

23

Explanation:

(2+x)^2=((50)^2)/2

from that,(2+x) =50/2

4+2x=50

2x=46

x=23