Foundation Plus
22nd October 1990
- 1Forming and Solving Equations3 marks
The angles in a triangle are 4x°, 2x° and (x + 26)°. Form an equation and work out x.
- 2Repeated Percentage Change3 marks
A town's population is 34500 and grows by 6% each year. Work out the population after 6 years, to the nearest whole number.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 45°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 2 red and 6 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 4 and a maximum of 21. Work out the range.
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