Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

5th May 2000

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
Capture Recapture2 marks
A capture-recapture estimate is made of the fish population of a pond. State one assumption the method relies on.
3
The Product Rule for Counting2 marks
A meal deal has 5 mains, 9 sides and 2 drinks. How many different meals are possible?
4
Simultaneous Equations3 marks
5 teas and 1 cake cost £6.65. 4 teas and 2 cakes cost £7.90. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 50. Work out y when x = 7.

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