Question

1 In the following pairs, pick out the pairs in which the first number is a factor of the second number:
a. 3 and 34 b. 6 and 66 c. 12 and 120 d. 11 and 111
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Answer 1

Answer:

In number theory, Co-prime numbers are those numbers if the only positive factor that divides them is 1.

Here,

Option A: (17,15) Factor that divides both of them is 1.

Option B: (10,16) Factors that divides both oh them are 1,2.

Option C: (20,24) Factors that divide both of them are 1,2,4.

Option C: (31,62) Factors that divide both oh them are 1,31.

In reference to above definition (17,15) are co-prime numbers.

Hence Option A is correct.

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Answer 2

Answer:

In number theory, Co-prime numbers are those numbers if the only positive factor that divides them is 1.

Here,

Option A: (17,15) Factor that divides both of them is 1.

Option B: (10,16) Factors that divides both oh them are 1,2.

Option C: (20,24) Factors that divide both of them are 1,2,4.

Option C: (31,62) Factors that divide both oh them are 1,31.

In reference to above definition (17,15) are co-prime numbers.

Hence Option A is correct.