MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: C. 18
Explanation:
|v|²=3²+3²=18.
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Correct Answer: B. 8
Explanation:
f′(x)=2x, so f′(4)=8.
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Correct Answer: A. 6.0
Explanation:
(5+7)/2=6.0.
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Correct Answer: C. 15
Explanation:
By Vieta, α+β=15.
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Correct Answer: C. 21
Explanation:
Determinant=7×3=21.
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Correct Answer: D. 89
Explanation:
|v|²=8²+5²=89.
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Correct Answer: B. 18
Explanation:
f′(x)=2x, so f′(9)=18.
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Correct Answer: A. 109
Explanation:
|v|²=10²+3²=109.
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Correct Answer: D. 4
Explanation:
f′(x)=2x, so f′(2)=4.
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Correct Answer: A. 5.0
Explanation:
(3+7)/2=5.0.
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Correct Answer: D. 13
Explanation:
By Vieta, α+β=13.
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Correct Answer: A. 15
Explanation:
Determinant=5×3=15.
