A wallet has three denominations of coins – Rs. 1, Rs. 5 and Rs. 10 in the ratio of 2 ∶ 3 ∶ 5. A coin is drawn at random. What us the probability that coin drawn is not a Rs. 5 coin of wallet has a total of 30 coins?
1
2/5
2
6/11
3
7/10
4
1/6
A wallet has three denominations of coins – Rs. 1, Rs. 5 and Rs. 10 in the ratio of 2 ∶ 3 ∶ 5. A coin is drawn at random. What us the probability that coin drawn is not a Rs. 5 coin of wallet has a total of 30 coins?