a grocer bought sugar worth 4500 he sold one third of it at a gain of 10%. at what gain percent must the remaining sugar be sold to have a gain of 12% on the whole
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first percentage solve then second solve and you solve easily example - 455. 10percentage then solve a sa hi two percentage wala bhi solve kar na ha one by one
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It is because the bottom part is kept on fire which gives it a black colour.
The inner part also becomes black
sometime.
The outer part if cleaned thoroughly it won't be much black.
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