MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: B. 18
Explanation:
f′(x)=2x, so f′(9)=18.
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Correct Answer: C. 6.5
Explanation:
(10+3)/2=6.5.
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Correct Answer: C. 7
Explanation:
By Vieta, α+β=7.
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Correct Answer: B. 21
Explanation:
Determinant=3×7=21.
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Correct Answer: D. 97
Explanation:
|v|²=4²+9²=97.
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Correct Answer: B. 10
Explanation:
f′(x)=2x, so f′(5)=10.
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Correct Answer: D. 5.5
Explanation:
(6+5)/2=5.5.
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Correct Answer: B. 6
Explanation:
Determinant=2×3=6.
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Correct Answer: D. 85
Explanation:
|v|²=6²+7²=85.
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Correct Answer: D. 14
Explanation:
f′(x)=2x, so f′(7)=14.
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Correct Answer: B. 5.5
Explanation:
(8+3)/2=5.5.
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Correct Answer: A. 14
Explanation:
By Vieta, α+β=14.
