Daily Practice

Higher

29th March 1985

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

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 36. Work out y when x = 15.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 17 cm with an angle of 116° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
3 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 newt population of a stream. State one assumption the method relies on.
5
Bounds2 marks
A mass is 710 kg, correct to the nearest 10. Write down the lower bound.

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