MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: C. 40
Explanation:
|v|²=2²+6²=40.
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Correct Answer: D. 6
Explanation:
f′(x)=2x, so f′(3)=6.
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Correct Answer: B. 7.0
Explanation:
(4+10)/2=7.0.
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Correct Answer: B. 9
Explanation:
By Vieta, α+β=9.
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Correct Answer: D. 36
Explanation:
Determinant=6×6=36.
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Correct Answer: A. 14
Explanation:
By Vieta, α+β=14.
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Correct Answer: D. 72
Explanation:
Determinant=9×8=72.
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Correct Answer: A. 200
Explanation:
|v|²=10²+10²=200.
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Correct Answer: D. 4
Explanation:
f′(x)=2x, so f′(2)=4.
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Correct Answer: B. 4.5
Explanation:
(3+6)/2=4.5.
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Correct Answer: B. 12
Explanation:
By Vieta, α+β=12.
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Correct Answer: B. 50
Explanation:
Determinant=5×10=50.
