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If p : q : r = 3 : 4 : 5, then what will be the ratio of (p + 2q + r) : (3p + q – r)?

 


1. 1 ∶ 2
2. 2 ∶ 1
3. 3 ∶ 2
4. 2 ∶ 3

1 Answer

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Best answer
Correct Answer - Option 2 : 2 ∶ 1

Given:

p : q : r = 3 : 4 : 5

Calculation:

Let the value of p, q and r be 3x, 4x and 5x

Substituting the values in the given expression, we get

(3x + 8x + 5x)/(9x + 4x – 5x)

⇒ 16x/8x

⇒ 2 ∶ 1

∴ The required ratio is 2 ∶ 1

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