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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 =?

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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.