Question

3.Sahid works in a bank. He sits at the
cash counter. Whenever there are too
many coins he does not count
them.He just weighs them. The
weight of a 5 rupee coin is 9 gm. How
many coins are there in a sack of 5
rupee coins if its wieighs : 18 kg ?​

Answer 1

Answer:

2000 coins

Step-by-step explanation:

the weight of a single coin = 9 gram

the weight of the whole sack = 18 kg

and we know that, 1kg= 1000 grams

so the weight of the sack = 18*1000 grams = 18,000 grams

so the number of coins in the sack = 18,000/9

                                                          = 2000 coins

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