IKMC 2014 - Grades 9-10 - Self-study Question 7
IKMC · IKMC 2014 - Grades 9-10 - Self-study
What is the negation of “Everybody solved more than 20 problems”?
Nobody solved more than 20 problems
Somebody solved fewer than 21 problems
Everybody solved fewer than 21 problems
Somebody solved exactly 20 problems
Somebody solved more than 20 problems