MCQ Collection
india-cet-kcet MCQs
Practice india-cet-kcet questions with answers and explanations.
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Correct Answer: D. 9
Explanation:
By Vieta, α+β=9.
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Correct Answer: D. 27
Explanation:
Determinant=3×9=27.
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Correct Answer: A. 25
Explanation:
|v|²=4²+3²=25.
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Correct Answer: A. 10
Explanation:
f′(x)=2x, so f′(5)=10.
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Correct Answer: A. 6.5
Explanation:
(6+7)/2=6.5.
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Correct Answer: D. 16
Explanation:
By Vieta, α+β=16.
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Correct Answer: B. 24
Explanation:
Determinant=8×3=24.
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Correct Answer: A. 10
Explanation:
Determinant=2×5=10.
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Correct Answer: D. 58
Explanation:
|v|²=3²+7²=58.
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Correct Answer: C. 8
Explanation:
f′(x)=2x, so f′(4)=8.
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Correct Answer: D. 4.0
Explanation:
(5+3)/2=4.0.
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Correct Answer: A. 11
Explanation:
By Vieta, α+β=11.