Daily Practice · Higher Plus

Daily Practice - Higher Plus

15th January 1996

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Probability Equation Questions3 marks
A bag holds 3 red and n blue counters. The probability of taking a red is 1/3. Work out n.
2
Histograms3 marks
On a histogram the bar for 20 < x <= 25 has a frequency density of 1.2. How many values are in that class?
3
Bounds3 marks
A block has mass 280 g (to the nearest 10 g) and volume 6 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.
4
Rearranging Harder Formulae3 marks
Make x the subject of 5x + 2 = y(x + 2).
5
Velocity Time Graphs2 marks
A train slows steadily from 35 m/s to rest in 5 seconds. Work out its deceleration.

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