Divisibility rule of 11: (sum of the digits at odd place β sum of the digits at even place) must be multiple of 11 or equal to zero. So, (4 + b + 9 + a + 4) β (8 + 2 + 7 + 5) = 0 or a multiple of β11β. (17 + a + b) β 22 = 0 (because we want smallest value of a + b) Or, (a + b) = 22 β 17 = 5
The sum of the cost price of articles A and B is Rs.500 while the ratio of their cost prices is 2:3 respectively.
Quantity I: If article A is mar...
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Quantity I. The shop has ...
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Quant...
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