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There are 2 white and 3 red balls in box...

There are 2 white and 3 red balls in box A and 4 white, 5 red balls in box B One box is selected at random and one ball is drawn from it. Then ......... is the probability that selected ball is of red colour.

A

`(5)/(14)`

B

`(5)/(16)`

C

`(5)/(18)`

D

`(26)/(45)`

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The correct Answer is:
D
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
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  13. For events A and B P(bar(A cup B))= (1)/(6), P(barA)= (1)/(4) and P(A ...

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  14. In a vessel there are 5 red and 2 green balls. One ball is selected at...

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  15. One balanced coin is tossed. If two head comes up then two balanced di...

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  16. Probability of independent events is P(A(i))= (1)/(i+1). Where i = 1, ...

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  17. A man is known to speak truth 3 out of 4 times. He throws a die and r...

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  18. A purse contains 4 copper and 3 silver coins while another purse conta...

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  19. In the box there are a white and b black balls. Two persons A and B ta...

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  20. The probability of an event that person hits the target is (1)/(4). He...

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