Directions (Next Five Questions) : In these questions, a number series is given. In each series, only one number is wrong. Find out the wrong
80,76.5,69.5,59,48,27.5
445,444,436,409,343,220
45,15,6,3,2,1,4
1,4,12,30,68,148,304
155,151,139,119,90,55
A bag contains 4 red, 5 yellow or 6 pink balls. Two balls are drawn at random. What is the probability that none of the balls drawn are yellow in colour