Question
The ratio of A’s age to B’s age is 5:7, and the sum
of their ages after 6 years is 72 years. Find the present age of A.Solution
Let A’s age be 5x and B’s age be 7x. ATQ 5x + 6 + 7x +6 = 72 12x = 72 – 12 x = 5 A’s age = 5x = 5 × 5 = 25 years
How is K related to J?
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