MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: D. 16
Explanation:
f′(x)=2x, so f′(8)=16.
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Correct Answer: A. 8.5
Explanation:
(9+8)/2=8.5.
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Correct Answer: A. 30
Explanation:
Determinant=5×6=30.
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Correct Answer: A. 100
Explanation:
|v|²=6²+8²=100.
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Correct Answer: B. 14
Explanation:
f′(x)=2x, so f′(7)=14.
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Correct Answer: D. 6.0
Explanation:
(8+4)/2=6.0.
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Correct Answer: D. 15
Explanation:
By Vieta, α+β=15.
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Correct Answer: C. 80
Explanation:
Determinant=10×8=80.
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Correct Answer: B. 104
Explanation:
|v|²=2²+10²=104.
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Correct Answer: A. 6
Explanation:
f′(x)=2x, so f′(3)=6.
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Correct Answer: D. 5.0
Explanation:
(4+6)/2=5.0.
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Correct Answer: A. 13
Explanation:
By Vieta, α+β=13.
