Daily Practice · Higher

Daily Practice - Higher

7th May 1992

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Bounds2 marks
A mass is 74 kg, correct to the nearest whole number. Write down the lower bound.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 6^x is drawn. Work out y when x = 3, and write down where the curve crosses the y-axis.
3
Repeated Percentage Change3 marks
A town's population is 3500 and grows by 5% each year. Work out the population after 4 years, to the nearest whole number.
4
Vectors3 marks
a is the column vector (-4, -6) and b is (0, -2). Work out 3a - 3b as a column vector.
5
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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