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The ratio of 8 books to 20 books is

(A) 2 : 5 (B) 5 : 2 (C) 4 : 5 (D) 5 : 4

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(A) 2 : 5

The comparison of two numbers or quantities by division is known as the ratio. Symbol ‘:’ is used to denote ratio.

Ratio of 8 books to 20 books = 8/20

Divide both numerator and denominator by 4.

= 2/5

Therefore, ratio of 8 books to 20 books = 2 : 5

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