Basic Maths and Reasoning MCQs (page 112 of 212)
Percentages, ratios, averages, profit and loss, speed and time, number series and simple logical reasoning, with the working shown for every answer.
4,221 questions. Select an option to check your answer, or open "Show answer". Showing 2221–2240.
- 2221.
A speed of 20 m/s is equal to:
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Answer: C. 72 km/h
Multiply by 18/5: 20 × 18 ÷ 5 = 72 km/h.
- 2222.
A speed of 90 km/h is equal to:
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Answer: B. 25 m/s
Multiply by 5/18: 90 × 5 ÷ 18 = 25 m/s.
- 2223.
A speed of 25 m/s is equal to:
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Answer: D. 90 km/h
Multiply by 18/5: 25 × 18 ÷ 5 = 90 km/h.
- 2224.
A speed of 108 km/h is equal to:
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Answer: A. 30 m/s
Multiply by 5/18: 108 × 5 ÷ 18 = 30 m/s.
- 2225.
A speed of 30 m/s is equal to:
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Answer: B. 108 km/h
Multiply by 18/5: 30 × 18 ÷ 5 = 108 km/h.
- 2226.
A speed of 126 km/h is equal to:
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Answer: A. 35 m/s
Multiply by 5/18: 126 × 5 ÷ 18 = 35 m/s.
- 2227.
A speed of 35 m/s is equal to:
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Answer: C. 126 km/h
Multiply by 18/5: 35 × 18 ÷ 5 = 126 km/h.
- 2228.
A speed of 144 km/h is equal to:
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Answer: B. 40 m/s
Multiply by 5/18: 144 × 5 ÷ 18 = 40 m/s.
- 2229.
A speed of 40 m/s is equal to:
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Answer: D. 144 km/h
Multiply by 18/5: 40 × 18 ÷ 5 = 144 km/h.
- 2230.
A speed of 162 km/h is equal to:
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Answer: B. 45 m/s
Multiply by 5/18: 162 × 5 ÷ 18 = 45 m/s.
- 2231.
A speed of 45 m/s is equal to:
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Answer: B. 162 km/h
Multiply by 18/5: 45 × 18 ÷ 5 = 162 km/h.
- 2232.
A speed of 180 km/h is equal to:
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Answer: A. 50 m/s
Multiply by 5/18: 180 × 5 ÷ 18 = 50 m/s.
- 2233.
A speed of 50 m/s is equal to:
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Answer: D. 180 km/h
Multiply by 18/5: 50 × 18 ÷ 5 = 180 km/h.
- 2234.
A speed of 198 km/h is equal to:
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Answer: C. 55 m/s
Multiply by 5/18: 198 × 5 ÷ 18 = 55 m/s.
- 2235.
A speed of 55 m/s is equal to:
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Answer: C. 198 km/h
Multiply by 18/5: 55 × 18 ÷ 5 = 198 km/h.
- 2236.
A speed of 60 m/s is equal to:
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Answer: B. 216 km/h
Multiply by 18/5: 60 × 18 ÷ 5 = 216 km/h.
- 2237.
A train 300 m long runs at 36 km/h. How long does it take to pass a pole?
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Answer: C. 30 seconds
36 km/h = 10 m/s. Time = length ÷ speed = 300 ÷ 10 = 30 seconds.
- 2238.
A train 300 m long runs at 90 km/h. How long does it take to pass a pole?
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Answer: C. 12 seconds
90 km/h = 25 m/s. Time = length ÷ speed = 300 ÷ 25 = 12 seconds.
- 2239.
A train 120 m long runs at 54 km/h. How long does it take to pass a pole?
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Answer: B. 8 seconds
54 km/h = 15 m/s. Time = length ÷ speed = 120 ÷ 15 = 8 seconds.
- 2240.
A train 200 m long runs at 36 km/h. How long does it take to pass a pole?
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Answer: D. 20 seconds
36 km/h = 10 m/s. Time = length ÷ speed = 200 ÷ 10 = 20 seconds.