Which of the following proportions is correct if 12 = PQ?
- 4 : q = p : 3
- 4 : p = q : 3
- 6 : q = p : 3
- None of these
Explanation
Given 12 = PQ, we can write P = 12/Q.
For proportion:
4 : Q = P : 3
4/ Q = P / 3
4 × 3 = P × Q
12 = PQ
This matches the given equation.
The answer is 4 : q = p : 3.
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