There are 315 black balls in a basket. A boy takes out 5 black balls from the basket and replace them by 8 white balls. He continues to do so till all the black balls are replaced by white balls. Find the number of white balls in the basket, so obtained.
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315÷5=63
It will take 63 time to replace all the black balls then 63×8=504
there will be 504 white balls in the basket
It will take 63 time to replace all the black balls then 63×8=504
there will be 504 white balls in the basket
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