Answers

2016-03-14T19:39:22+05:30
To find the sum..........................
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2016-03-14T19:54:18+05:30
Suppose the sum of their marks is 'x'. Hence, 0.56x - 0.44x = 9.
Or, x = 75. Therefore, one student secured 75X0.56 = 42 marks and the other student secured 75-42 =33 marks.
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