Daily Practice

Foundation Plus

29th March 1969

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

1
Ratio2 marks
Red and blue sweets are in the ratio 4 : 7. There are 48 red sweets. How many sweets are there altogether?
2
Vectors2 marks
a is the column vector (1, 1) and b is (-5, 6). Work out a + b as a column vector.
3
Probability Trees3 marks
7 of 10 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 34 students, 19 study French, 17 study German and 12 study both. How many study neither?
5
Error Intervals2 marks
A number y is 51 when truncated to the nearest whole number. Write down the error interval for y.

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