Higher Plus
15th December 1952
- 1Bounds3 marks
A block has mass 680 g (to the nearest 10 g) and volume 16 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.
- 2Algebraic Fractions3 marks
Write 4/(x + 6) + 5/(x + 5) as a single fraction.
- 3Velocity Time Graphs2 marks
A train slows steadily from 34 m/s to rest in 5 seconds. Work out its deceleration.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = a and vector OB = p. M is the midpoint. Write vector OM in terms of a and p.
- 5Probability Equation Questions3 marks
The probability of winning a game is 3/4. A player expects 33 wins. How many games did they play?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1952, including the monthly compilation PDF.