Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

26th March 2007

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
Reverse Percentages3 marks
A bill is £792 including VAT at 20%. Work out the amount before VAT.
2
Equation of a Line3 marks
A line has gradient -4 and passes through (2, -7). Work out its equation.
3
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 4 cm and 9 cm with an angle of 27° between them. Work out its area, to 1 decimal place.
5
Probability Trees3 marks
6 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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