Question

1. STATE WETHER TRUE OR FALSE.

(i) If a number is divisible by 3, it must be divisible by 9.

(ii) If a number is divisible by 9, it must be divisible by 3.

(iii) A number is divisible by 18, if it is divisible by both 3 and 6.

(iv) If a number is divisible by 9 and 10 both, then it must be divisible by 90.

(v) If two numbers are co-primes, at least one of them must be prime.

(vi) All numbers which are divisible by 4 must also be divisible by 8.

(vii) All numbers which are divisible by 8 must also be divisible by 4.

(viii) If a number exactly divides two numbers separately, it must exactly divide their sum.

(ix) If a number exactly divides the sum of two numbers, it must exactly divide the two numbers separately.

Answer 1

Answer:

1. False

2. True

3. True

4. True

5. True

6. False

7. True

8. True

9. False

Step-by-step explanation:

These will be the answer.

Hope this helps you.

Please mark as the brainliest.

Thanks.

Answer 2

Answer:

1. false

2. true

3. true

4. true

5. true

6. false

7. true

8. true

9. false

Step-by-step explanation:

hope it will be helpful to you dear friend