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Ratio and Proportion · UPSC CDS/OTA · Question 31 of 51

Ratio and Proportion: If a : b = 7 : 9 and b : c =15 : 7, then what is a : c?

Step-by-step solution. Ratio and Proportion for UPSC CDS/OTA.

Topic
Ratio and Proportion
Subject
Mathematics
Difficulty
Medium
Solve Time
45-60 sec

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Q · Ratio and ProportionMedium · 45s

If a : b = 7 : 9 and b : c =15 : 7, then what is a : c?

TopicRatio and Proportion
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

The complete worked solution.

Every step explained - no skipped algebra.

Solution illustration 1
Final Answer: Option A - 5 : 3
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If a : b = 7 : 9 and b : c =15 : 7, then what is a : c? - Ratio and Proportion (Mathematics) Solved Question