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7 years ago, the ratio of age of P and Q is 4: 5. The present age of P is equal to the age of Q, 7 years ago. Find the sum of age of P and Q, 5 years hence?

A75 years

B87 years

C85 years

D80 years

Answer:

B. 87 years

Read Explanation:

7 years ago, the ratio of age of P and Q = 4 : 5(4x, 5x) The present age of P = The age of Q, 7 years ago 4x + 7 = 5x 5x – 4x = 7 X = 7 The present age of P and Q = 4x + 7, 5x + 7 = 35, 42 Required sum = 35 + 42 + 10 = 87 years


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