Daily Practice

Higher

22nd July 1957

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

1
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
2
Equation of a Line3 marks
A line has gradient -4 and passes through (4, -25). Work out its equation.
3
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 7 cm with an angle of 50° between them. Work out its area, to 1 decimal place.
5
Probability Trees3 marks
1 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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