Daily Practice

Higher

5th October 1990

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 63. Work out y when x = 3.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 13 cm and 16 cm with an angle of 143° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
1 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture2 marks
A capture-recapture estimate is made of the fish population of a pond. State one assumption the method relies on.
5
Standard Form3 marks
Work out (12 x 10^10) / (4 x 10^3). Give your answer in standard form.

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