Daily Practice

Foundation Plus

28th November 1974

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

1
Best Buy Questions3 marks
A pack of 7 batteries costs £2.80. A pack of 28 costs £9.80. Which pack is better value?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 30°. How many sides does it have?
3
Probability Trees3 marks
5 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
Four classes in order have frequencies 10, 10, 12, 7. Write down the cumulative frequency at the end of the third class.
5
Error Intervals2 marks
A number y is 47 when truncated to the nearest whole number. Write down the error interval for y.

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