State whether True or FalseAll numbers which are divisible by 4 must also be divisible by 8.
Answer:
All numbers which are divisible by 4 must also be divisible by 8. False
The given statement is NOT true; for example, 20 is divisible by 4 but not divisible by 8.
Test of divisibility for 4:
Last two digits of given number must be divisible by 4
Test of divisibility for 8:
Last three digits of given number must be divisible by 8
All numbers which are divisible by 8 must also be divisible by 4. True.
If a number is divisible by another number then it is divisible by each of the factors of that number. True
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