1MA0 Foundation March 2013 Paper 2 Q10
10 Here is a list of numbers.
5 15 30 50 60 90 100 125
From the numbers in the list, write down
(i) two different numbers that add up to an even number
(ii) a multiple of 20
(iii) a factor of 45
(iv) a cube number (4)
| Answer | Mark | Notes |
|---|---|---|
| (i) 5,15 or 5,125 or 15,125 or 30,50 or 30,60 or 30,90 or 30,100 or 50,60 or 50,90 or 50,100 or 60,90 or 60,100 or 90,100 (ii) 60 or 100 (iii) 5 or 15 (iv) 125 | 4 | (i) B1 for 2 numbers, from the list, whose sum is an even number. (ii) B1 for 60 or 100 or both (iii) B1 for 5 or 15 or both (iv) B1 cao |