Daily Practice
Foundation Plus
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26th July 1960
- 1Writing and Simplifying Ratio2 marks
Write the ratio 8 : 72 in the form 1 : n.
- 2Vectors2 marks
a is the column vector (7, -4) and b is (5, -7). Work out a + b as a column vector.
- 3Probability Trees3 marks
1 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Two Way Tables3 marks
Of 62 students, 24 study French, 35 study German and 14 study both. How many study neither?
- 5Error Intervals2 marks
A number y is 63 when truncated to the nearest whole number. Write down the error interval for y.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1960, including the monthly compilation PDF.