COMPETZ - Makes You Compete
Answer with Explanation:
Let their marks be (x + 9) and x.
Then, x + 9 = 56/100 (x + 9 + x)
=> 25(x + 9) = 14(2x + 9)
=> 3x = 99
=> x = 33
So, their marks are 42 and 33.
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