A bag contains 40 balls out of which some are red, some are blue and r

1.	A bag contains 40 balls out of which some are red, some are blue and remaining are black. If the probability of drawing a red ball is 11/20 and that of blue ball is 1/5 , then find the number of black balls.
Answer» Step-by-step explanation: 10/40 is a ANSWER MARK as BRAINLIEST

A bag contains 40 balls out of which some are red, some are blue and remaining are black. If the probability of drawing a red ball is 11/20 and that of blue ball is 1/5 , then find the number of black balls.

Answer»

Step-by-step explanation:

10/40 is a ANSWER

MARK as BRAINLIEST

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A bag contains 40 balls out of which some are red, some are blue and remaining are black. If the probability of drawing a red ball is 11/20 and that of blue ball is 1/5 , then find the number of black balls.​

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A bag contains 40 balls out of which some are red, some are blue and remaining are black. If the probability of drawing a red ball is 11/20 and that of blue ball is 1/5 , then find the number of black balls.