Foundation Plus
5th January 1987
- 1Forming and Solving Equations3 marks
The angles in a triangle are 4x°, 2x° and (x + 82)°. Form an equation and work out x.
- 2Repeated Percentage Change3 marks
A town's population is 14500 and grows by 4% each year. Work out the population after 5 years, to the nearest whole number.
- 3Pythagoras2 marks
A right-angled triangle has a hypotenuse of 29 cm and one shorter side of 21 cm. Work out the other shorter side.
- 4Probability Trees3 marks
A bag holds 3 red and 8 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has a minimum of 18 and a maximum of 66. Work out the range.
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