Student: What should come in place of the question mark (?) in the following equation?
12400 + 6899 = 610+ ?
Options:
(A) 12345
(B) 56894
(C) 18689
(D) 23478
(E) 94561.
Another student: Let's say, hmmm...
12400 + 6899 = 610+ ?
12400 + 6899 610 = 18689 Final answer: (C).