Correct Answer: 0.236
Explanation:
Given, 0.764 x P = 1.236 x Q ⇒ Q / P = 1.236 / 0.764 Now, (Q - P) / (Q + P) = [(Q/P) - 1] / [(Q/P) + 1] ⇒ [(1.236/0.764) - 1] / [(1.236/0.764) + 1] = (1.236 - 0.764) / (1.236 + 0.764) = 0.472 / 2.000 = 0.236