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In bag X there are 2 white and 3 black b...

In bag X there are 2 white and 3 black balls and in bag Y there are 4 white and 2 black balls. One bag is selected at random and one ball is drawn from it. Then what is the probability that selected ball is white ?

A

`(8)/(15)`

B

`(2)/(15)`

C

`(7)/(15)`

D

`(14)/(15)`

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The correct Answer is:
A
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
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  2. In box X there are 4 red and 6 white balls and in box Y there are 3 re...

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  3. In bag X there are 2 white and 3 black balls and in bag Y there are 4 ...

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  4. For the post of principal in school three persons A, B and C are candi...

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  5. Box B(1) contains 4 white and 6 black balls and box B(2) contains 6 wh...

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  6. There are 2 white and 3 red balls in box A and 4 white, 5 red balls in...

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  7. There are 16 coins in bag. Out of which 2 coins are defective having b...

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  8. In three boxes numbers of balls are 3 white & 1 black, 2 white and 2 b...

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  9. For given events A and B if P(A) = 0.25 and P(B) = 0.50 probability th...

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  10. The probability of an event that student gets I, II and III grade in e...

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  11. .......... is the probability of an event that there are 53 sundays in...

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  12. A person writes 4 letters and addresses on 4 covers. If these letters ...

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  13. Person A speaks true in 75% and B speaks true in 80% then ....... is t...

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  14. 3 integers are selected from the numbers 1 to 20. Then ........ is the...

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  15. S is sample space if P(A)= (1)/(3)P(B) and S= A cup B Then P(A) = .......

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  16. For events A and B P(bar(A cup B))= (1)/(6), P(barA)= (1)/(4) and P(A ...

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

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

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

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

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