MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: A. 10
Explanation:
f′(x)=2x, so f′(5)=10.
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Correct Answer: A. 6.5
Explanation:
(6+7)/2=6.5.
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Correct Answer: D. 16
Explanation:
By Vieta, α+β=16.
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Correct Answer: B. 24
Explanation:
Determinant=8×3=24.
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Correct Answer: A. 106
Explanation:
|v|²=9²+5²=106.
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Correct Answer: A. 20
Explanation:
f′(x)=2x, so f′(10)=20.
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Correct Answer: B. 5.5
Explanation:
(2+9)/2=5.5.
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Correct Answer: A. 13
Explanation:
|v|²=2²+3²=13.
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Correct Answer: A. 6
Explanation:
f′(x)=2x, so f′(3)=6.
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Correct Answer: C. 5.5
Explanation:
(4+7)/2=5.5.
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Correct Answer: B. 14
Explanation:
By Vieta, α+β=14.
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Correct Answer: B. 18
Explanation:
Determinant=6×3=18.
