MCQ Collection
upsc-prelims-csat MCQs
Practice upsc-prelims-csat questions with answers and explanations.
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Correct Answer: B. 52
Explanation:
Area=4×13=52.
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Correct Answer: C. 21
Explanation:
By Vieta, root sum is the coefficient 21.
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Correct Answer: A. 1
Explanation:
The units digit follows from 1³.
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Correct Answer: D. 317
Explanation:
14²+11²=317.
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Correct Answer: C. 210
Explanation:
Area=15×14=210.
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Correct Answer: C. 33
Explanation:
By Vieta, root sum is the coefficient 33.
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Correct Answer: D. 135
Explanation:
Area=9×15=135.
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Correct Answer: A. 28
Explanation:
By Vieta, root sum is the coefficient 28.
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Correct Answer: B. 16.0
Explanation:
(11+21)/2=16.0.
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Correct Answer: A. 25
Explanation:
Increase/base ×100 = 25%.
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Correct Answer: A. 2
Explanation:
The units digit follows from 8³.
