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An urn contains m white and n black ball...

An urn contains m white and n black balls. A ball is drawn at random and in put back into the urn along with k additional balls of the same colour as that of the ball drawn. A ball is again drawn at random. What is the probability that the ball drawn now is white ?

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.

B

Statement-1 is True, Statement-2 is True, Statement-2 is not a correct explanation for Statement-1.

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is True.

Text Solution

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-PROBABILITY -Section II - Assertion Reason Type
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  5. An urn contains m white and n black balls. A ball is drawn at random a...

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  7. Two persons each makes a single throw with a pair of dice. Find the pr...

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  8. Aa n dB toss a fair coin each simultaneously 50 times. The probability...

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  9. A bag contains (2n+1) coins. It is known that n of these coins have a ...

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  10. The number of seven digit numbers divisible by 9 formed with the digit...

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  13. A speaks the truth 4 out of 5 times. He throws a die and reports that ...

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  14. In an entrance test, there are multiple choice questions. There are...

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  15. A letter is known to have come either from LONDON or CLIFTON. On the ...

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  16. turn contains 6 white and 4 black balls. A fair dice is rolled and tha...

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  17. An urn contains five balls. Two balls are frawn and are found to be wh...

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