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A candidate who gets 30% of the marks fails by 50 marks. But another candidate who gets 45% marks gets 25 marks more than necessary for passing. Find the number of marks for passing?
- A150
- B200
- C250
- D275
Correct answer: B
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0
CCommunity
Let total Marks is: $x$
According to the question $0.3x + 50 =$ Passing Marks
& $0.45x - 25 =$ Passing Marks
On Solving
$0.3x + 50 = 0.45x - 25$
$0.15x = 75$
$x = 500$
Passing Marks $= 0.3 \times 500 + 50 = 200$
According to the question $0.3x + 50 =$ Passing Marks
& $0.45x - 25 =$ Passing Marks
On Solving
$0.3x + 50 = 0.45x - 25$
$0.15x = 75$
$x = 500$
Passing Marks $= 0.3 \times 500 + 50 = 200$
0
CCommunity
200