Daily Practice · Higher

Daily Practice - Higher

6th June 1994

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

1
Probability Trees3 marks
2 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 120 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Standard Form2 marks
Work out (2 x 10^4) x (6 x 10^-2). Give your answer in standard form.
4
Simultaneous Equations3 marks
5 teas and 1 cake cost £8.05. 1 tea and 4 cakes cost £9.40. Find the price of a tea.
5
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.

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