If A is 10% less than B, then B is what percentage more than A? MCQ with Answer and Explanation
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Question #1
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A man spends 30% on rent, 20% of the remainder on food, and 25% of the next remainder on education. If he saves Rs. 5460, find his monthly income.
Correct Answer: Option B
Explanation:
Rent 30%, left 70%. Food 20% of 70%=14% of income, left 56%. Education 25% of 56%=14% of income, left 42% = 5460 → income = 5460/0.42 = 13000.
Rent 30%, left 70%. Food 20% of 70%=14% of income, left 56%. Education 25% of 56%=14% of income, left 42% = 5460 → income = 5460/0.42 = 13000.
This question belongs to:
Maths
Percentage
Question #2
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A man's salary increased by 33.33% and then decreased by 25%. His net change in salary is:
Correct Answer: Option D
Explanation:
33.33% = 1/3. Multiplier = (4/3)×(3/4)=1, no change.
33.33% = 1/3. Multiplier = (4/3)×(3/4)=1, no change.
This question belongs to:
Maths
Percentage
Question #3
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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.
Correct Answer: Option D
Explanation:
Difference in percentage = 32% - 20% = 12%. Difference in marks = 42 + 30 = 72. 12% of Total = 72. Total = 600.
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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