MCQ Collection
India MCQs
Practice India questions with answers and explanations.
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Correct Answer: C. 70
Explanation:
Determinant=10×7=70.
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Correct Answer: D. 85
Explanation:
|v|²=2²+9²=85.
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Correct Answer: B. 6
Explanation:
f′(x)=2x, so f′(3)=6.
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Correct Answer: B. 4.5
Explanation:
(4+5)/2=4.5.
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Correct Answer: B. 12
Explanation:
By Vieta, α+β=12.
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Correct Answer: A. 54
Explanation:
Determinant=6×9=54.
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Correct Answer: D. 58
Explanation:
|v|²=7²+3²=58.
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Correct Answer: A. 16
Explanation:
f′(x)=2x, so f′(8)=16.
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Correct Answer: C. 8.0
Explanation:
(9+7)/2=8.0.
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Correct Answer: D. 19
Explanation:
By Vieta, α+β=19.
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Correct Answer: D. 25
Explanation:
Determinant=5×5=25.
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Correct Answer: A. 17
Explanation:
By Vieta, α+β=17.
