UPSC NDA Mathematics item 50: Find 23×6.
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Correct Answer: C. 138
Explanation:
23×6=138.
MCQ Collection
UPSC NDA Mathematics MCQs
Practice UPSC NDA Mathematics questions with answers and explanations.
UPSC NDA Mathematics item 48: Find the mean of 21 and 4.
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Correct Answer: C. 12.5
Explanation:
Mean=12.5.
UPSC NDA Mathematics item 49: Find 22+5.
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Correct Answer: A. 27
Explanation:
22+5=27.
UPSC NDA Mathematics item 40: A value rises from 52 to 65. What is the percentage increase?
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Correct Answer: B. 25
Explanation:
Increase/base×100=25%.
UPSC NDA Mathematics item 41: A rectangle has length 14 cm and breadth 6 cm. Find its area.
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Correct Answer: B. 84
Explanation:
Area=84 cm².
UPSC NDA Mathematics item 42: Find the mean of 15 and 7.
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Correct Answer: B. 11.0
Explanation:
Mean=11.0.
UPSC NDA Mathematics item 43: Find 16+8.
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Correct Answer: A. 24
Explanation:
16+8=24.
UPSC NDA Mathematics item 44: Find 17×9.
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Correct Answer: C. 153
Explanation:
17×9=153.
UPSC NDA Mathematics item 45: Compute 18÷10, rounded to two decimals.
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Correct Answer: D. 1.8
Explanation:
18/10=1.8.
UPSC NDA Mathematics item 46: A value rises from 76 to 95. What is the percentage increase?
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Correct Answer: B. 25
Explanation:
Increase/base×100=25%.
UPSC NDA Mathematics item 47: A rectangle has length 20 cm and breadth 3 cm. Find its area.
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Correct Answer: C. 60
Explanation:
Area=60 cm².
UPSC NDA Mathematics item 36: Find the mean of 9 and 10.
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Correct Answer: B. 9.5
Explanation:
Mean=9.5.