Daily Practice · Higher

Daily Practice - Higher

23rd December 1991

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

1
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 23 cm and an angle of 33°. Work out the side opposite that angle, to 1 decimal place.
3
Probability Trees3 marks
3 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 40 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.2020... as a fraction in its simplest form.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1991, including the monthly compilation PDF.