Daily Practice · Higher

Daily Practice - Higher

17th July 1993

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

1
Probability Trees3 marks
2 of 8 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 minimum 10, lower quartile 16, median 23, upper quartile 30 and maximum 33. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.4545... as a fraction in its simplest form.
4
Factorising Harder Quadratics3 marks
Factorise 10x^2 + 17x + 6.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 175. Work out y when x = 4.

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