MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: D. 16
Explanation:
By Vieta, α+β=16.
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Correct Answer: C. 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: B. 20
Explanation:
f′(x)=2x, so f′(10)=20.
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Correct Answer: D. 5.5
Explanation:
(2+9)/2=5.5.
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Correct Answer: A. 6
Explanation:
By Vieta, α+β=6.
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Correct Answer: C. 49
Explanation:
Determinant=7×7=49.
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Correct Answer: D. 13
Explanation:
By Vieta, α+β=13.
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Correct Answer: D. 10
Explanation:
Determinant=2×5=10.
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Correct Answer: D. 58
Explanation:
|v|²=3²+7²=58.
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Correct Answer: D. 8
Explanation:
f′(x)=2x, so f′(4)=8.
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Correct Answer: B. 4.0
Explanation:
(5+3)/2=4.0.
