Question

Which of the following are co-prime numbers?

(a) 2,3 (b) 2,4 (c) 2,6 (d) 2,110​

Answer 1

Answer:

$coprime \: means \: hcf \: should \: be \: 1$

$so \: optiona) \\ = > hcf \: of \: 2,3 \: is \: 1 \\ so \: these \: are \: co prime \: numbers$

$optionb) \\ = > hcf \: of \: 2,4 \: is2 \\ not \: co \: prime \: numbers$

$option \: c) \\ = > hcf \: of \: 2,6 \: is \: 2 \\ not \: coprime$

$option \: d) \\ = > hcf \: of \: 2,110 \: is \: 2 \\ not \: coprime \\ \\ so \: option \: a \: is \: only \: correct$