Student A gets 20% marks and fails by 30 marks. Student B gets 32% marks and gets 42 marks more than passing. Find the total marks. MCQ with Answer and Explanation

Question
Student A gets 20% marks and fails by 30 marks. Student B gets 32% marks and gets 42 marks more than passing. Find the total marks.
A. 500
B. 800
C. 700
D. 600
Answer: Option D
Solution (By JKSSB Mock Tests)
Difference in percentage = 32% - 20% = 12%. Difference in marks = 42 + 30 = 72. 12% of Total = 72. Total = 600.
This question belongs to: Maths Percentage
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Practice More Percentage Questions

Question #1
20% of 500 is:
A. 90
B. 100
C. 80
D. 110
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Correct Answer: Option B

Explanation:
0.2 × 500 = 100.
This question belongs to: Maths Percentage
Question #2
0.75% of 2000 is:
A. 17.5
B. 10
C. 15
D. 12.5
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Correct Answer: Option C

Explanation:
0.0075 × 2000 = 15.
This question belongs to: Maths Percentage
Question #3
The price of a commodity is increased by x% then decreased by x%. Net decrease is 4%. Find x.
A. 20
B. 25
C. 10
D. 15
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Correct Answer: Option A

Explanation:
(1+x/100)(1-x/100) = 0.96 → 1 - x²/10000 = 0.96 → x² = 400 → x = 20.
This question belongs to: Maths Percentage
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