Discuss Forum
1. a is greater than b by 2 and b is greater than c by 10 . If a+ b+ c =130 , then (b+c) -a =?
- A. 42
- B. 42
- C. 42
- D. 42
Answer: Option C
Explanation:
Let, c = x
∴b = x + 10 and
a = x + 12
Now,a + b + c = 130
= > x + 12 + x + 10 + x = 130
= > 3x = 130 - 22 = 108
∴x = (108/3) = 36 i.e, c = 36
∴ b = 46 and a = 48
∴(b + c) - a = (46 + 36) - 48 = 34 Ans.
Post your comments here: