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If P : Q = 3 : 4, Q : R = 1 : 2, what is P : R = ?
1. 2 : 8
2. 2 : 6
3. 3 : 8
4. 4 : 8

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Correct Answer - Option 3 : 3 : 8

Given:

P : Q = 3 : 4

Q : R = 1 : 2

Calculation:

Q : R = 1 : 2

To make the value of Q equal, multiple by 4

Then, Q : R = 4 : 8

Now, P : Q : R = 3 : 4 : 8

So, P : R = 3 : 8

∴ P : R is 3 : 8.

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