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1. For every novel in the library there are 2 science books; for each science book there are 7 economics books. Express the ratio of economics books to science books to novels in the library as a triple ratio.

  • A. 7 : 2 : 1
  • B. 7 : 2 : 1
  • C. 7 : 2 : 1
  • D. 7 : 2 : 1

Answer: Option C

Explanation:

Let's science = S, Novel = N , Economic = E

N: S = 1:2

S:E = 1:7 = 2:14

Now, E:S:N = 14:2:1

Ans.14:2:1

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