Daily Practice

Foundation Plus

4th April 1985

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Best Buy Questions3 marks
A pack of 12 batteries costs £6.60. A pack of 48 costs £24.96. Which pack is better value?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 20°. How many sides does it have?
3
Probability Trees3 marks
6 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Frequency Trees3 marks
180 people were surveyed. 90 were adults, of whom 5 said yes. 10 of the children said yes. How many said yes altogether?
5
Error Intervals2 marks
A number y is 52 when truncated to the nearest whole number. Write down the error interval for y.

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