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In box X there are 4 red and 6 white bal...

In box X there are 4 red and 6 white balls and in box Y there are 3 red and 7 white balls. Now one ball is selected from box X and placed into box Y. Then from box Y one ball is drawn at random.
Then ....... is the probability that selected ball is of red colour and ball placed in box Y from box X is of white colour.

A

`(6)/(55)`

B

`(7)/(55 )`

C

`(8)/(55)`

D

`(9)/(55)`

Text Solution

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The correct Answer is:
D
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
  1. f(x)= x^(3) + ax^(2) + bx + c is real valued function in which a, b a...

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  2. In box I and II there are 7 white 3 black, and 3 white, 7 black ball r...

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  3. In box X there are 4 red and 6 white balls and in box Y there are 3 re...

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

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

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

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

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

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

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

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

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

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

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

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  15. 3 integers are selected from the numbers 1 to 20. Then ........ is the...

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

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

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

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

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

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