Question

9. If x and y are two rational numbers then x + y is
(a) an irrational number
(b) a rational number
(c) either rational or irrational number
(d) neither rational nor irrational number

Answer 1

ɪꜰ x ᴀɴᴅ ʏ ᴀʀᴇ ᴛᴡᴏ ʀᴀᴛɪᴏɴᴀʟ ɴᴜᴍʙᴇʀꜱ ᴛʜᴇɴ x + ʏ ɪꜱ ᴀ ʀᴀᴛɪᴏɴᴀʟ ɴᴜᴍʙᴇʀ.