RRB NTPC Mathematics item 8: Find 15×9.
Choose an option to check your answer.
Correct Answer: D. 135
Explanation:
15×9=135.
MCQ Collection
india-recruitment-rrb-ntpc MCQs
Practice india-recruitment-rrb-ntpc questions with answers and explanations.
RRB NTPC Mathematics item 9: Compute 16÷10, rounded to two decimals.
Choose an option to check your answer.
Correct Answer: A. 1.6
Explanation:
16/10=1.6.
RRB NTPC Mathematics item 10: A value rises from 68 to 85. What is the percentage increase?
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Correct Answer: D. 25
Explanation:
Increase/base×100=25%.
RRB NTPC Mathematics item 11: A rectangle has length 18 cm and breadth 3 cm. Find its area.
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Correct Answer: C. 54
Explanation:
Area=54 cm².
RRB NTPC Mathematics item 12: Find the mean of 19 and 4.
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Correct Answer: A. 11.5
Explanation:
Mean=11.5.
RRB NTPC Mathematics item 13: Find 20+5.
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Correct Answer: C. 25
Explanation:
20+5=25.
RRB NTPC Mathematics item 14: Find 21×6.
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Correct Answer: B. 126
Explanation:
21×6=126.
RRB NTPC Mathematics item 15: Compute 22÷7, rounded to two decimals.
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Correct Answer: A. 3.14
Explanation:
22/7=3.14.
RRB NTPC Mathematics item 1: Find 8+2.
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Correct Answer: A. 10
Explanation:
8+2=10.
RRB NTPC Mathematics item 2: Find 9×3.
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Correct Answer: B. 27
Explanation:
9×3=27.
RRB NTPC Mathematics item 3: Compute 10÷4, rounded to two decimals.
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Correct Answer: B. 2.5
Explanation:
10/4=2.5.
RRB NTPC Mathematics item 4: A value rises from 44 to 55. What is the percentage increase?
Choose an option to check your answer.
Correct Answer: D. 25
Explanation:
Increase/base×100=25%.