Daily Practice · Higher

Daily Practice - Higher

31st December 1994

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 = 2, y = 8. Work out y when x = 9.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 14 cm and an angle of 24°. Work out the side opposite that angle, to 1 decimal place.
3
Probability Trees3 marks
3 of 5 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 11, lower quartile 17, median 19, upper quartile 23 and maximum 27. Work out the interquartile range.
5
Bounds2 marks
A mass is 400 kg, correct to the nearest 10. Write down the upper bound.

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