Inapakia....

JAMB UTME - Mathematics - 2000

Swali 1 Ripoti

If U = {x : x is an integer and 1   x   20
E1 = {x : x is a multiple of 3}
E2 = {x : x is a multiple of 4}
and an integer is picked at random from U, find the probability that it is not in E2