Asked in Math and Arithmetic
Is a number divisible by three and nine also divisible by six?
No. For example, 9 is divisible by 3 and 9, but not 6. Even numbers that are divisble by 3 and 9 are also divisble by 6. ...
Asked in Numbers
How many positive 3 digit integers are divisible by neither 2 nor 3?
100 to 999 is your range. there are 900 integers in this range. 450 are not divisble by 2 ( the odd ones). 600 are not divisble by 3. half of these are even so only an additional 300 integers are not divisble by 3 alone. so 450 & 300 =750 ...