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 25. What is the difference between the 2 numbers?
Number 1 + Number 2 = 65
Number 1 is a factor of 25.
Factors of 25: 1, 5, 25
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? |
25 |
65 - 25 = 40 |
40 ÷ 6 = 6 r 4 |
x |
5 |
65 - 5 = 60 |
60 ÷ 6 = 10 r 0 |
✓ |
Difference between the 2 numbers
= 60 - 5
= 55
Answer(s): 55