MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: C. 70
Explanation:
Determinant=7×10=70.
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Correct Answer: B. 80
Explanation:
|v|²=8²+4²=80.
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Correct Answer: D. 18
Explanation:
f′(x)=2x, so f′(9)=18.
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Correct Answer: C. 9.0
Explanation:
(10+8)/2=9.0.
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Correct Answer: A. 113
Explanation:
|v|²=7²+8²=113.
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Correct Answer: A. 16
Explanation:
f′(x)=2x, so f′(8)=16.
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Correct Answer: A. 6.5
Explanation:
(9+4)/2=6.5.
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Correct Answer: B. 16
Explanation:
By Vieta, α+β=16.
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Correct Answer: C. 16
Explanation:
Determinant=2×8=16.
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Correct Answer: A. 109
Explanation:
|v|²=3²+10²=109.
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Correct Answer: A. 8
Explanation:
f′(x)=2x, so f′(4)=8.
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Correct Answer: A. 40
Explanation:
Determinant=10×4=40.
