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  9. Q155

SSC CHSL 2014 · Question 155 of 209

DIRECTIONS: In Question Nos. 142-145, Sales of Books (in Percentage of the average sale of branches B1, B2 and B3 in 2001 and the average sale of branches B1, B3 and B6 in 2000

  1. A87.5Correct
  2. B75
  3. C77.5
  4. D82.5

Answer: A. 87.5

Explanation

K¢ = (x – 25% of x) (y – 25% of y)2 2 æ öæ ö = 3y 27 xy 3x 2 = ç ÷ç ÷ 4 4 64 è øè ø æ ö 27 2 Value decreased by K – K¢ = - 1 xy ç ÷ 64 è ø 37 xy 2 = 64 2n æ ö R ç ÷ 2 = +

Source: SSC CHSL Solved Paper 16-11-2014 (Disha Publications) · reliable-secondary

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