1 votes 1 votes https://gateoverflow.in/39595/gate2016-2-28 CONSIDER THE FIRST SOLUTION IT EXPLAINS FOR 2ND AT LAST AND CONCLUDED THAT ATLEAST ONE VERTEX SHOULD BE OF ODD DEGREE BUT WHAT IF ALL WILL BE OF ODD ?? WILL IT BE NOT THE CASE LIKE 1.?? eyeamgj asked Oct 30, 2018 eyeamgj 123 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.