MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: D. 113
Explanation:
|v|²=7²+8²=113.
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Correct Answer: B. 16
Explanation:
f′(x)=2x, so f′(8)=16.
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Correct Answer: C. 6.5
Explanation:
(9+4)/2=6.5.
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Correct Answer: B. 19
Explanation:
By Vieta, α+β=19.
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Correct Answer: B. 40
Explanation:
Determinant=10×4=40.
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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.
Correct Answer: 0.375
Explanation:
M=0.375 mol/L.
Correct Answer: 640
Explanation:
N=5×2^7=640.
Correct Answer: 2
Explanation:
M=2.0 mol/L.