Level 2 PSLE The sum of two numbers is 53. One of the numbers is a multiple of 8. The other number is a factor of 25. What is the difference between the 2 numbers?
Number 1 + Number 2 = 53
Number 1 is a factor of 25.
Factors of 25: 1, 5, 25
Number 2 is a multiple of 8.
To be a multiple of 8, Number 2 must have no remainder when divided by 8.
Number 1 |
Number 2 |
Is Number 2 is a multiple of 8? |
Is the remainder 0? |
25 |
53 - 25 = 28 |
28 ÷ 8 = 3 r 4 |
x |
5 |
53 - 5 = 48 |
48 ÷ 8 = 6 r 0 |
✓ |
Difference between the 2 numbers
= 48 - 5
= 43
Answer(s): 43