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Maths Puzzle
Q. The given question is from the topic Profit and Loss and is about finding the percent profit made by a merchant.
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Q. The sum of a number and its reciprocal is equal to 1/10 multiple of the number of playing card in a deck. x is?
Q. Braun invested a certain sum of money at 8% p.a. simple interest for 'n' years. At the end of 'n' years, Braun got back 4 times his original investment. What is the value of n