A student had to secure 40% marks to pass . He gets 160 mark an secures 20marks more than passing mark required.calulate the maximum number of marks
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Answer:
The maximum number of marks is 350
Pass mark =350*40/100=140
But he got 160 which is 20 more than the required.
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The maximum number of marks is 350.
Given:
A student had to secure 40% marks to pass.
He gets 160 marks and secures 20 marks more than the passing mark required.
To Find:
The maximum number of marks.
Solution:
Let us assume that the maximum number of marks is 'n'.
We are given that a student had to secure 40% marks to pass.
Hence, the passing marks = 40% of the maximum marks = 40n/100.
The student gets 160 marks, which is 20 marks more than the passing marks. Writing this down in terms of an expression, we have:
160 = 40n/100 + 20
⇒ 160-20 = 40n/100
⇒ n = (140x100)/40 = 350.
∴ n = 350.
Hence, the maximum number of marks is 350.
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