(A) 63/10
(B) 20/63
(C) 10/63
(D) 63/20
Correct Option is: C
Probability of choosing 1 cone= 5/9
After taking out 1 cone, the total number is 8 .
Probability of choosing 2nd cone = 4/8
Probability of choosing 1chocobar ice-cream out of a total of 7 = 4/7
So the final probability of choosing 2 cone and 1 chocobar ice cream = 5/9*1/2*4/7 =10/63