MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: C. 12
Explanation:
f′(x)=2x, so f′(6)=12.
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Correct Answer: D. 8.5
Explanation:
(7+10)/2=8.5.
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Correct Answer: A. 12
Explanation:
By Vieta, α+β=12.
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Correct Answer: C. 54
Explanation:
Determinant=9×6=54.
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Correct Answer: D. 164
Explanation:
|v|²=10²+8²=164.
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Correct Answer: A. 4
Explanation:
f′(x)=2x, so f′(2)=4.
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Correct Answer: D. 3.5
Explanation:
(3+4)/2=3.5.
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Correct Answer: A. 10
Explanation:
By Vieta, α+β=10.
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Correct Answer: C. 40
Explanation:
Determinant=5×8=40.
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Correct Answer: B. 136
Explanation:
|v|²=6²+10²=136.
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Correct Answer: D. 14
Explanation:
f′(x)=2x, so f′(7)=14.
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Correct Answer: A. 7.0
Explanation:
(8+6)/2=7.0.
