Question

Nishtha has a boy Rupees 1 coin and rupees 29 and rupees 5 coin and rupees coin in her purse she needs to pay for a pencil that cost rupees four state the probability of her using the five rupees coin
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Answer 1

Step-by-step explanation:

Given: Nishtha has a Rs. 1 coin, a Rs 2 coin, a Rs 5 coin and a Rs 10 coin her purse. She needs to pay for a pencil that costs Rs.4.

To find:

The probability of her using the Rs. 5 coin.

Let A be the probability of the event , of using Rs.5 coin to buy the pencil is

P(A)=\frac{n(a)}{n(s)}

n(s)

n(a)

here, n(s)=2 that,she can use a Rs.5 coin or Rs.10 coin in her purse (if Rs.10 is accepted by the shopkeeper,as today it is not in use , because of duplicately minted Rs.10 coins.),she can't use Rs. 1 or Rs. 2 coin because,she has only one coin each which is not sufficient to buy a Rs.4 pencil.

=\frac{1}{2}

2

1

Answer 2

Answer:

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