MCQ Collection
cat-qa MCQs
Practice cat-qa questions with answers and explanations.
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Correct Answer: B. 1
Explanation:
The units digit follows from 1³.
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Correct Answer: A. 325
Explanation:
10²+15²=325.
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Correct Answer: C. 198
Explanation:
Area=11×18=198.
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Correct Answer: C. 33
Explanation:
By Vieta, root sum is the coefficient 33.
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Correct Answer: A. 9.0
Explanation:
(13+5)/2=9.0.
Correct Answer: 26
Explanation:
Vieta gives r+s=26.
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Correct Answer: C. 6
Explanation:
The units digit follows from 6³.
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Correct Answer: B. 2
Explanation:
The units digit follows from 8³.
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Correct Answer: A. 514
Explanation:
15²+17²=514.
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Correct Answer: B. 320
Explanation:
Area=16×20=320.
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Correct Answer: C. 21
Explanation:
By Vieta, root sum is the coefficient 21.