Rates, speed, distance and time

Rates, speed, distance and time Quiz

IB MYP Maths Extended: Quiz

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5 questions, one answer each

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1. A train travels $150$ km in $2.5$ hours. What is its average speed?
- A. $375$ km/h
- B. $75$ km/h
- C. $60$ km/h
- D. $62.5$ km/h
2. Convert $90$ km/h to m/s.
- A. $25$ m/s
- B. $324$ m/s
- C. $1.5$ m/s
- D. $90\,000$ m/s
3. How many minutes does it take to travel $45$ km at $60$ km/h?
- A. $75$ min
- B. $1.33$ min
- C. $60$ min
- D. $45$ min
4. A material has mass $120$ g and volume $15$ cm $^3$ . What is its density?
- A. $1800$ g/cm $^3$
- B. $8$ g/cm $^3$
- C. $0.125$ g/cm $^3$
- D. $135$ g/cm $^3$
5. A car goes $100$ km at $50$ km/h, then $100$ km at $100$ km/h. What is its average speed for the whole journey?
- A. $75$ km/h
- B. $80$ km/h
- C. $66.7$ km/h
- D. $60$ km/h