Higher Plus
24th July 1968
- 1Bounds3 marks
A rectangle is 6 cm by 13 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 2Proof2 marks
In an algebraic proof, how would you write the product of two consecutive integers in terms of an integer n?
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 3, y = 162. Work out y when x = 2.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = c and vector OB = a. N is the point dividing AB in the ratio 1 : 2. Write vector ON in terms of c and a.
- 5Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 6 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 July 1968, including the monthly compilation PDF.