Level 2 PSLE The sum of two numbers is 66. One of the numbers is a multiple of 10. The other number is a factor of 12. What is the difference between the 2 numbers?
Number 1 + Number 2 = 66
Number 1 is a factor of 12.
Factors of 12: 1, 2, 3, 4, 6, 12
Number 2 is a multiple of 10.
To be a multiple of 10, Number 2 must have no remainder when divided by 10.
Number 1 |
Number 2 |
Is Number 2 is a multiple of 10? |
Is the remainder 0? |
12 |
66 - 12 = 54 |
54 ÷ 10 = 5 r 4 |
x |
6 |
66 - 6 = 60 |
60 ÷ 10 = 6 r 0 |
✓ |
Difference between the 2 numbers
= 60 - 6
= 54
Answer(s): 54