Daily Practice · Higher

Daily Practice - Higher

3rd August 1992

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

1
Probability Trees3 marks
1 of 5 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 168 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Bounds2 marks
A mass is 21 kg, correct to the nearest whole number. Write down the lower bound.
4
Simultaneous Equations3 marks
2 teas and 3 cakes cost £5.45. 2 teas and 5 cakes cost £7.95. Find the price of a tea.
5
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.

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