MCQ Collection
jee-main-barch MCQs
Practice jee-main-barch questions with answers and explanations.
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Correct Answer: B. 6
Explanation:
The units digit follows from 6³.
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Correct Answer: D. 105
Explanation:
Area=15×7=105.
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Correct Answer: C. 27
Explanation:
Area=3×9=27.
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Correct Answer: B. 16
Explanation:
By Vieta, root sum is the coefficient 16.
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Correct Answer: D. 10.0
Explanation:
(5+15)/2=10.0.
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Correct Answer: D. 25
Explanation:
Increase/base ×100 = 25%.
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Correct Answer: C. 2
Explanation:
The units digit follows from 8³.
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Correct Answer: D. 72
Explanation:
Area=9×8=72.
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Correct Answer: C. 21
Explanation:
By Vieta, root sum is the coefficient 21.
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Correct Answer: C. 12.5
Explanation:
(11+14)/2=12.5.
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Correct Answer: D. 25
Explanation:
Increase/base ×100 = 25%.
