A trader sells an article at 15% loss. If he had sold it for Rs. 250 more, he would have gained 10%. Find the cost price. MCQ with Answer and Explanation
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Question #1
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A trader sells an article at a profit of 20%. Had he bought it at 10% less and sold it for Rs. 30 more, he would have gained 40%. Find the cost price.
Correct Answer: Option C
Explanation:
CP=x, SP=1.2x. New CP=0.9x, new SP=1.2x+30. Profit 40% on new CP → 1.2x+30 = 1.4×0.9x = 1.26x → 30 = 0.06x → x=500.
CP=x, SP=1.2x. New CP=0.9x, new SP=1.2x+30. Profit 40% on new CP → 1.2x+30 = 1.4×0.9x = 1.26x → 30 = 0.06x → x=500.
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Maths
Percentage
Question #2
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A person travels for 4 hours at 60 kmph and then for 6 hours at 50 kmph. What is his average speed?
Correct Answer: Option D
Explanation:
Total distance = 4×60 + 6×50 = 240+300=540 km. Total time = 10 h. Avg speed = 540/10 = 54 kmph.
Total distance = 4×60 + 6×50 = 240+300=540 km. Total time = 10 h. Avg speed = 540/10 = 54 kmph.
This question belongs to:
Maths
Percentage
Question #3
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72% passed an exam. Failures = 560. Total examinees:
Correct Answer: Option B
Explanation:
28% = 560, total = 560/0.28 = 2000.
28% = 560, total = 560/0.28 = 2000.
This question belongs to:
Maths
Percentage
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