A population of 1000 grew by 10% annually. After one year, it is:
Correct answer: B. 1100
- A. 1010
- B. 1100
- C. 1110
- D. 1200
Explanation
To calculate the new population after a 10% annual growth, multiply the original population by 1.10. Starting with a population of 1000, this results in 1000 * 1.10 = 1100. Thus, the correct answer is 1100. Option A (1010) indicates a 1% growth, which is incorrect. Option C (1110) and Option D (1200) overestimate the population growth, suggesting more than the stated 10% increase.
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Critical thinking examines how conclusions follow from evidence, including claims, assumptions, arguments, inferences and relevant facts. Questions ask you to identify hidden assumptions, distinguish strong from weak evidence, assess cause and effect, recognise common reasoning errors, and decide which statement strengthens or weakens an argument.
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