Level 2 PSLE The sum of two numbers is 65. One of the numbers is a multiple of 6. The other number is a factor of 15. What is the difference between the 2 numbers?
Number 1 + Number 2 = 65
Number 1 is a factor of 15.
Factors of 15: 1, 3, 5, 15
Number 2 is a multiple of 6.
To be a multiple of 6, Number 2 must have no remainder when divided by 6.
Number 1 |
Number 2 |
Is Number 2 is a multiple of 6? |
Is the remainder 0? |
15 |
65 - 15 = 50 |
50 ÷ 6 = 8 r 2 |
x |
5 |
65 - 5 = 60 |
60 ÷ 6 = 10 r 0 |
✓ |
Difference between the 2 numbers
= 60 - 5
= 55
Answer(s): 55