Daily Practice

Foundation Plus

4th December 1990

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Writing and Simplifying Ratio2 marks
Write the ratio 8 : 40 in the form 1 : n.
2
Vectors2 marks
a is the column vector (8, 3) and b is (-7, -1). Work out a + b as a column vector.
3
Probability Trees3 marks
5 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Two Way Tables3 marks
Of 66 students, 29 study French, 41 study German and 11 study both. How many study neither?
5
Error Intervals2 marks
A number y is 54 when truncated to the nearest whole number. Write down the error interval for y.

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