MCQ Collection
india-cet-keam MCQs
Practice india-cet-keam questions with answers and explanations.
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Correct Answer: A. 31.5
Explanation:
KE=½mv²=31.5 J.
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Correct Answer: D. 6
Explanation:
f′(x)=2x, so f′(3)=6.
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Correct Answer: A. 3.5
Explanation:
(4+3)/2=3.5.
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Correct Answer: D. 50
Explanation:
Determinant=10×5=50.
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Correct Answer: D. 53
Explanation:
|v|²=2²+7²=53.
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Correct Answer: B. 15
Explanation:
By Vieta, α+β=15.
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Correct Answer: B. 81
Explanation:
Determinant=9×9=81.
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Correct Answer: A. 109
Explanation:
|v|²=10²+3²=109.
