Question

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Answer this question.
A son in law called his father-in-law and said that during the 1st to 31st of the month, I will come to your house on any date, but the date on which I will come, you will have to give me exact grams of gold coins equal to that date.
The father-in-law asked a Jeweller to make gold coins from 1 to 31 grams on the very next day, but Jeweller was also so mathematically smart that he made only 5 gold coins of different grams and gave it to father-in-law and said If he comes, then this will work, tell me which of those 5 gold coins he was given?

Answer 1

Explanation:

The 5 gold coins are of 1, 2, 4, 8, 16 grams. How? It is simple. The jeweller was so smart that he gave the father in law only 5 gold coins that can be used on all every days. The jeweller divided the number 31 in 5 such numbers that become equal to 31. For example, if the son comes at 30th then the father-in-law can give him 2 gram, 4 gram, 8, gram and 16 gram of gold because if you add the number of gold then it will be equal to 30. If the son comes at 27th then the father-in-law can give him 1 gram, 2 gram, 8 gram and 16 grams of gold. All the 5 gold coins can be given between the dates 1 to 31.

Answer 2

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