Question

Which of the following pairs of numbers are co-primes?
(a) (7, 10)
(b) (16, 25)
(c) (35, 140)​

Answer 1

Answer:

a.

Step-by-step explanation:

a.

(7,10)

hope it helpful.

Answer 2

☆coprimes:-

coprimes are the terms in which the pair does not have any common factor or have H.C.F '1'.

☆QUESTION:-

Which of the following pairs of numbers are co-primes?

(a) (7, 10)

(b) (16, 25)

(c) (35, 140)

☆SOLUTION:-

The first pair:-

(a) Does not have any common factor as 7 and 10 have H.C.F one.

Second Pair:-

(b) Does not have any common factor too.

and can be regarded, 16 and 25.

(c) Do have a common factor of "5" and cannot be said as Coprime.

☆Note:-

For being a coprime pair, the mutual numbers should not have a common factor.

☆RESULT:-

The pair of numbers,

(a)(7,10) and (b)(16,25) are coprime,but NOT the option (c).

Ans.