MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: A. 45
Explanation:
Determinant=5×9=45.
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Correct Answer: C. 45
Explanation:
|v|²=6²+3²=45.
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Correct Answer: B. 14
Explanation:
f′(x)=2x, so f′(7)=14.
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Correct Answer: B. 20
Explanation:
Determinant=4×5=20.
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Correct Answer: C. 145
Explanation:
|v|²=8²+9²=145.
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Correct Answer: B. 18
Explanation:
f′(x)=2x, so f′(9)=18.
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Correct Answer: C. 7.5
Explanation:
(10+5)/2=7.5.
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Correct Answer: A. 9
Explanation:
By Vieta, α+β=9.
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Correct Answer: A. 27
Explanation:
Determinant=3×9=27.
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Correct Answer: C. 25
Explanation:
|v|²=4²+3²=25.
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Correct Answer: D. 10
Explanation:
f′(x)=2x, so f′(5)=10.
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Correct Answer: B. 6.5
Explanation:
(6+7)/2=6.5.
