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3 marksSpeed calculation4MA1 style 🔢 Calculator
A train travels 240 km in 1 hour 45 minutes. (a) Calculate the average speed in km/h. (b) At this speed, how long (in minutes) would it take to travel 100 km? (3 marks)
Hint: (a) Convert 1h 45min to hours (1.75 h). Speed = distance ÷ time. (b) Time = distance ÷ speed. Convert hours back to minutes (×60).
+30 XP
3 marksDensity problem4MA1 style 🔢 Calculator
A solid metal block has mass 5.4 kg and dimensions 15 cm × 10 cm × 4 cm. Calculate the density of the metal in g/cm³. (3 marks)
Hint: Volume = l × w × h. Convert mass to grams (×1000). Density = mass ÷ volume. Check units — must be g/cm³.
+30 XP
1 markCurrency conversion4MA1 style
The exchange rate is £1 = $1.28. How many pounds is $320?
A £409.60
B £250.00
C £321.28
D £25.00
1 markAverage speed trap4MA1 style
A car travels 60 km at 30 km/h, then 60 km at 60 km/h. What is the average speed for the whole journey?