Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

6th April 1995

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Best Buy Questions3 marks
A pack of 7 pencils costs £2.45. A pack of 28 costs £8.68. Which pack is better value?
2
Vectors2 marks
a is the column vector (4, 4) and b is (2, -5). 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 50 students, 20 study French, 28 study German and 14 study both. How many study neither?
5
Error Intervals2 marks
A number y is 86 when truncated to the nearest whole number. Write down the error interval for y.

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