1, 2,6 ,21, ? ,445

There are two bags – A and B, Bag A contain 6 red balls and 10 green balls and Bag B contains 4 red balls and 6 green balls. One bag is selected at random. From the selected bag one ball is drawn at random. What is the probability that the ball drawn is red

I. 2x²-15x+28=0

II. 2y²-21y+54=0

I. 14x²-13x+3=0

II. 99y²-62y+8=0

I. x²-10x+24=0

II. 3y²-19y+28=0

I. x²-13x+40=0

II. y²-11y+28=0