Sainik School Maths Ratio and Proportion Question 2

Sainik School Maths Ratio and Proportion Question 2

If a : b = 7 : 5, b : c = 9 : 11, find a : b : c?

  1. 63 : 14 : 55

  2. 63 : 45 : 55

  3. 14 : 14 : 15

  4. 7 : 14 : 15

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