MCQ Collection
OJEE Mathematics MCQs
Practice OJEE Mathematics questions with answers and explanations.
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Correct Answer: B. 14
Explanation:
By Vieta, α+β=14.
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Correct Answer: B. 72
Explanation:
Determinant=8×9=72.
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Correct Answer: D. 90
Explanation:
|v|²=9²+3²=90.
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Correct Answer: C. 20
Explanation:
f′(x)=2x, so f′(10)=20.
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Correct Answer: D. 4.5
Explanation:
(2+7)/2=4.5.
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Correct Answer: B. 21
Explanation:
Determinant=3×7=21.
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Correct Answer: D. 97
Explanation:
|v|²=4²+9²=97.
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Correct Answer: B. 10
Explanation:
f′(x)=2x, so f′(5)=10.
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Correct Answer: D. 5.5
Explanation:
(6+5)/2=5.5.
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Correct Answer: B. 6
Explanation:
Determinant=2×3=6.
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Correct Answer: C. 34
Explanation:
|v|²=3²+5²=34.
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Correct Answer: B. 8
Explanation:
f′(x)=2x, so f′(4)=8.
