Daily Practice

Higher

15th November 1970

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
7 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has a minimum of 15 and a maximum of 42. Work out the range.
3
Surds2 marks
Write sqrt(20) in the form a sqrt(b), where b is as small as possible.
4
Equation of a Line3 marks
A line has gradient 5 and passes through (4, 21). Work out its equation.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 20. Work out y when x = 10.

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