A box contains 10 green, 20 red, 30 Black and 40 orange marbles. One marble is drawn from the box at random. The probability that marble is neither green nor orange is
A
12
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
710
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
35
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
None of these
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A12 Let's denote green colored marbles with G, red colored with R,black colored with B and orange with O. given P(G)=10100=0.1,