Daily Practice · Higher

Daily Practice - Higher

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

28th February 1999

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
1 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has a minimum of 20 and a maximum of 41. Work out the range.
3
Reverse Percentages3 marks
A bill is £288 including VAT at 20%. Work out the amount before VAT.
4
Simultaneous Equations3 marks
4 teas and 1 cake cost £10.40. 2 teas and 2 cakes cost £9.70. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 16. Work out y when x = 4.

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