MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: B. 12
Explanation:
By Vieta, α+β=12.
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Correct Answer: D. 50
Explanation:
Determinant=10×5=50.
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Correct Answer: D. 53
Explanation:
|v|²=2²+7²=53.
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Correct Answer: B. 15
Explanation:
By Vieta, α+β=15.
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Correct Answer: A. 41
Explanation:
|v|²=4²+5²=41.
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Correct Answer: B. 10
Explanation:
f′(x)=2x, so f′(5)=10.
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Correct Answer: D. 7.5
Explanation:
(6+9)/2=7.5.
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Correct Answer: C. 10
Explanation:
By Vieta, α+β=10.
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Correct Answer: A. 40
Explanation:
Determinant=8×5=40.
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Correct Answer: A. 130
Explanation:
|v|²=9²+7²=130.
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Correct Answer: D. 20
Explanation:
f′(x)=2x, so f′(10)=20.
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Correct Answer: B. 2.5
Explanation:
(2+3)/2=2.5.
