Question

There are 15 gold coins. All weigh equally except one. You have a balance machine without any scale.

Can you identify the coin which weigh less than other coins, by using the balance machine at most

thrice.

Explain the method​

Answer 1

Answer:

first put two coins on it

then if both are the same,

keeep them away and try with the another coins

if any of them weights unequal,

them compare it with the real coin,if it is equal the other coin is fake,

else the coin itself is fake

Step-by-step explanation:

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