Probability 1 Question 20
28. A box contains 2 fifty paise coins, 5 twenty five paise coins and a certain fixed number
Show Answer
Answer:
Correct Answer: 28.
Solution:
- There are
The total value of 5 coins can be equal to or more than one rupee and fifty paise in the following ways.
(i) When one 50 paise coin and four 25 paise coins are chosen.
(ii) When two 50 paise coins and three 25 paise coins are chosen.
(iii) When two 50 paise coins, 2 twenty five paise coins and one from
So, the number of ways of selecting five coins, so that the total value of the coins is less than one rupee and fifty paise is
