A town's population increases by 10% in the first year and 20% in the second year. What is the net percentage increase? MCQ with Answer and Explanation

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A town's population increases by 10% in the first year and 20% in the second year. What is the net percentage increase?

A. 30%

B. 33%

C. 32%

D. 35%

Answer: Option C

Solution (By JKSSB Mock Tests)

Net change = 10 + 20 + ((10 * 20) / 100) = 30 + 2 = 32%.

This question belongs to: Maths Percentage

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Question #1

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To pass need 40%. A student gets 40 marks and fails by 40. Max marks:

A. 220

B. 250

C. 180

D. 200

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Correct Answer: Option D

Explanation:
Pass = 80, 40% M = 80 → M = 200.

This question belongs to: Maths Percentage

Question #2

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120% of 120 is:

A. 150

B. 144

C. 140

D. 160

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Correct Answer: Option B

Explanation:
1.2 × 120 = 144.

This question belongs to: Maths Percentage

Question #3

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85% passed English, 75% Maths, 65% both. % failed both:

A. 12%

B. 8%

C. 10%

D. 5%

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Correct Answer: Option D

Explanation:
Pass at least one = 85+75-65=95%, fail both = 5%.

This question belongs to: Maths Percentage

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