Increase 500 by 10%. Result is: MCQ with Answer and Explanation
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Question #1
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By what percent is 120 less than 150?
Correct Answer: Option B
Explanation:
Difference = 30, % = (30/150)×100 = 20%.
Difference = 30, % = (30/150)×100 = 20%.
This question belongs to:
Maths
Percentage
Question #2
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A man sells an article at 10% profit. Had he bought it at 20% less and sold it for Rs. 10 less, he would have gained 25%. Find the cost price.
Correct Answer: Option D
Explanation:
CP=x, SP=1.1x. New CP=0.8x, new SP=1.1x-10. 1.1x-10 = 1.25×0.8x = x → 0.1x=10 → x=100.
CP=x, SP=1.1x. New CP=0.8x, new SP=1.1x-10. 1.1x-10 = 1.25×0.8x = x → 0.1x=10 → x=100.
This question belongs to:
Maths
Percentage
Question #3
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A student needs 30% to pass. He scores 40 marks and fails by 20 marks. What is the total marks?
Correct Answer: Option C
Explanation:
Passing marks = 40 + 20 = 60. 30% of Maximum = 60. Maximum = 60 * (100 / 30) = 200.
Passing marks = 40 + 20 = 60. 30% of Maximum = 60. Maximum = 60 * (100 / 30) = 200.
This question belongs to:
Maths
Percentage
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