The population of a town increases by 10% annually. If the current population is 12,100, what was the population two years ago? MCQ with Answer and Explanation
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Question #1
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A person's salary increased from 4000 to 5000. What is the percentage increase?
Correct Answer: Option D
Explanation:
Increase = 5000 - 4000 = 1000. Percentage increase = (1000 / 4000) * 100 = 25%.
Increase = 5000 - 4000 = 1000. Percentage increase = (1000 / 4000) * 100 = 25%.
This question belongs to:
Maths
Percentage
Question #2
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In an examination, 40% of the students failed in Mathematics, 30% failed in English, and 10% failed in both subjects. If 144 students passed in both subjects, what is the total number of students who appeared for the examination?
Correct Answer: Option D
Explanation:
Total failed percentage = Failed in Math + Failed in English - Failed in Both = 40% + 30% - 10% = 60%. Total passed = 100% - 60% = 40%. 40% of total students = 144. Total students = (144 * 100) / 40 = 360.
Total failed percentage = Failed in Math + Failed in English - Failed in Both = 40% + 30% - 10% = 60%. Total passed = 100% - 60% = 40%. 40% of total students = 144. Total students = (144 * 100) / 40 = 360.
This question belongs to:
Maths
Percentage
Question #3
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80 is what percent of 160?
Correct Answer: Option C
Explanation:
(80/160) × 100 = 50%.
(80/160) × 100 = 50%.
This question belongs to:
Maths
Percentage
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