Daily Practice

Higher

12th February 1954

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

1
Probability Trees3 marks
2 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
3
Fractional and Negative Indices2 marks
Write 7^-1 as a fraction.
4
Factorising Harder Quadratics3 marks
Factorise 6x^2 + 5x + 1.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 45. Work out y when x = 6.

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