MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: B. 42
Explanation:
Determinant=6×7=42.
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Correct Answer: D. 6
Explanation:
f′(x)=2x, so f′(3)=6.
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Correct Answer: A. 3.5
Explanation:
(4+3)/2=3.5.
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Correct Answer: B. 81
Explanation:
Determinant=9×9=81.
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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: B. 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: C. 15
Explanation:
Determinant=5×3=15.
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Correct Answer: B. 61
Explanation:
|v|²=6²+5²=61.
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Correct Answer: A. 14
Explanation:
f′(x)=2x, so f′(7)=14.
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Correct Answer: B. 8.5
Explanation:
(8+9)/2=8.5.
