Question

If three numbers are consecutive positive integers
and five times the square of the largest number is
greater than two times the sum of the squares of
the other two numbers by 75, then the sum of the
smallest and the largest of these numbers is
(1) 12
(2) 9
(3) 8
(4) 10​

Answer 1

Answer:

ans is 8

smallest number=3

greater number =5

sum of smaller and greatest number

= 3 + 5 =8

details in attachment

Answer 2

Refer to the attachment!!^^

$\huge\boxed{Answer\:=\:8}$