A bag contains twenty Rs 5 coins, fifty Rs 2 coins and thirty Rs 1 coins. If
its is equally likely that one of the coins will fail down when the bag is
turned upside down, what is the probability that the coin?
a) will be a Rs 1 coin ?
b) will not be a Rs 2 coin?
c) will neither be a Rs 5 coin nor be a Rs 1 coin ?
Answers
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A. ³/10
B. ½
C. ½
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Step-by-step explanation:
probability ( of Rs 1 coin ) = 30 /100
=3/10
probability (of not Rs 2 coin ) = 50 /100
= 1/2
probability ( of neither Rs 5 coin nor Rs 1 coin ) = 50/100
=1/2
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