Question

if a number is divisible by both 5 and 7 then it must necessarily be divisible by ?
(a) 5+7. (b).7-5
(c).5x7. (d).42​

Answer 1

option (c)

5x7

Hope this help you !

Answer 2

and is (c)

5×7

hope you like

please mark me brainlest