WBCS.LIVE practice question

The compound ratio of 1 : 2, 3 : 10 and 10 : 21 is:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 1 : 7
  2. 7 : 1
  3. 14 : 1
  4. 1 : 14

Correct answer and explanation

Correct answer: 1 : 14