1. A shop stores x kg of rice. The first customer buys half this amount plus half a kg of rice. The second customer buys half the remaining amount plus half a kg of rice. Then the third customer also buys half the remaining amount plus half a kg of rice. Thereafter, no rice is left in the shop. Which of the following best describes the value of x?
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By: anil on 05 May 2019 02.29 am
After the first sale, the remaining quantity would be (x/2)-0.5 and after the second sale, the remaining quantity is 0.25x-0.75 After the last sale, the remaining quantity is 0.125x-(7/8) which will be equal to 0 So 0.125x-(7/8) = 0 => x = 7
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