Question

111. The sum of three consecutive odd numbers is 20 more than the first number
among three. What is the middle number?
(a) 7
(b) 8
(c) 12
(d) 9
​

Answer 1

Answer:

Option B---9

Step-by-step explanation:

Let the numbers be x, (x + 2) and (x + 4)

Then,

⇔x+(x+2)+(x+4)=x+20⇔2x=14⇔x=7

∴ Middle number :

= x + 2

= 9