Daily Practice · Higher

Daily Practice - Higher

11th September 1993

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 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
2
Equation of a Line3 marks
A line has gradient 1 and passes through (6, 7). Work out its equation.
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 32. Work out y when x = 8.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 5 cm and 15 cm with an angle of 37° between them. Work out its area, to 1 decimal place.
5
Probability Trees3 marks
4 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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