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If a = b/5 and b = 5c/4, then find a : c.

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If a = b/5 and b = 5c/4, then find a : c.
1. 1 : 4
2. 3 : 4
3. 1 : 2
4. 2 : 3
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Correct Answer - Option 1 : 1 : 4

Given:

a = b/5 and b = 5c/4

Calculation:

⇒ a : b = 1 : 5, b : c = 5 : 4

As b  is same in both

⇒ a : b : c = 1 : 5 : 4

∴ a : c = 1 : 4

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