1.

Two student give an examination . one of them secured 9 marks more than the other and his marks was56% of the sum of their marks. find the marks obtained by them

Answer» 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

hope it helps to you.


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