blueseas wrote:
(1) The average (arithmetic mean) of a, b + 2, and a - 5 is a.
(a+b+2-5)/4 = a
on solving b= 3a + 3
clearly b will be positive integer hence a whole number(as a is whole number)
(a+b+2-5)/4 = a
on solving b= 3a + 3
clearly b will be positive integer hence a whole number(as a is whole number)
Can u just edit this part.
Thanks.