The statement return 2 3 1 1 5 returns the value 2 3 6 7
     The statement: return 2 * 3 + 1, 1 + 5; returns the value _______.  2  3  6  7 
  
  Solution
6 will be return as with comma separated values when the expression containing commas is evaluated , the last value of the comma group is considered hence in the below statement
return 2*3+1,1+5
return 7,6
last value is 6 hence
6 will be returned
Correct answer is c.

