SSC CGL Tier II 21 Sep 2014 Paper

Question : 87 of 100

Marks: +1, -0

The number that is to be added to 10% of 320 to have the sum as 30% of 230 is

Solution:

(1) Number to be added = x (let)

∴{320 × 10}/{100}+x= {230 × 30}/{100}

⇒ 32 + x = 69

⇒ x = 69 – 32 = 37

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