Raja got 76% marks and Seema got 480 marks in a test. The maximum marks of the test is equal to the marks obtained by Raja and Seema together. How many marks did Raja score in the test?
David01:
You must say the percentage Seema got, the answer cannot be worked out.
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Answered by
147
Let maximum marks be = x
and raja got = y marks
now A/Q y/x * 100 = 76
⇒ 100y = 76x
and sum of raja and seema marks = max marks
⇒ y + 480 = x ⇒ 76x/100 + 480 = x ⇒ 76x + 48000 = 100x
⇒ 48000 = 24x ⇒ x = 2000
and raja got 2000 - 480 = 1520 marks.
and raja got = y marks
now A/Q y/x * 100 = 76
⇒ 100y = 76x
and sum of raja and seema marks = max marks
⇒ y + 480 = x ⇒ 76x/100 + 480 = x ⇒ 76x + 48000 = 100x
⇒ 48000 = 24x ⇒ x = 2000
and raja got 2000 - 480 = 1520 marks.
Answered by
65
thanks and hope you understand it
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