Daily Practice · Higher

Daily Practice - Higher

2nd September 1991

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
7 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 232 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
The Product Rule for Counting2 marks
A meal deal has 8 mains, 5 sides and 2 drinks. How many different meals are possible?
4
Simultaneous Equations3 marks
3 teas and 3 cakes cost £15.15. 1 tea and 2 cakes cost £7.90. Find the price of a tea.
5
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.

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