Daily Practice · Higher

Daily Practice - Higher

22nd May 1993

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

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 63. Work out y when x = 6.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 15 cm with an angle of 143° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
4 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 6, lower quartile 10, median 14, upper quartile 19 and maximum 21. Work out the interquartile range.
5
Fractional and Negative Indices2 marks
Write 5^-3 as a fraction.

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