Daily Practice · Higher

Daily Practice - Higher

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

6th October 2005

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

1
Probability Trees3 marks
1 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Histograms2 marks
A histogram class is 2 units wide and contains 3 values. Work out the frequency density.
3
The Product Rule for Counting2 marks
A meal deal has 3 mains, 6 sides and 4 drinks. How many different meals are possible?
4
Factorising Harder Quadratics3 marks
Factorise 8x^2 + 30x + 25.
5
Repeated Percentage Change3 marks
A town's population is 2500 and grows by 8% each year. Work out the population after 2 years, to the nearest whole number.

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