If a:b = 3:4 and b:c = 2:5 then a:c is?
- 6:20
- 4:5
- 3:10
- None of these
Explanation
Make b the same in both ratios
a:b = 3:4
b:c = 2:5 → multiply by 2 → b:c = 4:10
Now a:b:c = 3:4:10
So a:c = 3:10
Last verified on 04-05-2026
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