Daily Practice

Higher

20th October 1978

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 = 5, y = 10. Work out y when x = 13.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 13 cm with an angle of 78° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
6 of 9 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
Reverse Percentages3 marks
A bill is £168 including VAT at 20%. Work out the amount before VAT.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1978, including the monthly compilation PDF.