Question

All numbers which are divisible by 8 must also be divisible by 4. pls tell the answer

Answer 1

Answer:

If a number is divisible by 9 and 10 both, then it must be divisible by 90. If two numbers are co-primes, at least one of them must be prime. All numbers which are divisible by 4 must also be divisible by 8. All numbers which are divisible by 8 must also be divisible by 4

Step-by-step explanation:

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Answer 2

Answer:

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if a number is divisible by another number then it is divisible by each of the factors of that number.

If a number is divisible by two co-prime numbers then it is divisible by their product also.

If two given numbers are divisible by a number, then their sum is also divisible by that number.

If two given numbers are divisible by a number, then their difference is also divisible by that number.