Daily Practice

Foundation Plus

6th February 1989

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Real Life and Distance Time Graphs3 marks
A coach travels 70 km in 1 hour, then 50 km in 1.5 hours. Work out the average speed for the whole journey, to 1 decimal place.
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 72°. How many sides does it have?
3
Probability Trees3 marks
1 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 30 < x <= 40. The frequencies in order are 7, 3, 21, 11, 16. Write down the modal class.
5
Error Intervals2 marks
A number y is 79 when truncated to the nearest whole number. Write down the error interval for y.

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