Question

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math question
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1__In ancient time the main means of communication was letters, (Post cards, International cards). People would feel so happy to write/read letters for their relatives with full emotions. But now the means of communication is very fast and popular as phones, emails, SMS etc. An aged person decides to write a letter to four of his friends. He asks each one of them to copy the letters and mail to four different persons with the instruction that they move the chain similarly. Assuming that the chain is not broken and that it cost 50 paise to mail one letter. Find the amount spent on the postage when 8th set of letters is mailed. Write any one importance of each means of communication. [Value Based Question].

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Answer 1

As the cost of one letter is ₹50 the
cost of 4 letter will be 50 x 4 = ₹200
if on one set it's cost ₹ the 200 then
on 8 the set it will cost ₹1600