Math, asked by AryanChandra563, 1 year ago

A box contain some black balls and 30 white balls if the probability of drawing a black ball is two-fifth of a white ball find the number of black ball in the box

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Answered by CRAZYMIND
1

Answer:


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Answered by kiranbansal1711
2

Answer:


Step-by-step explanation:

plz ignore writimg

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