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A man alternately tosses a coin and throws a die beginning with the coin. The probability that he gets a head in the coin before he gets a 5 or 6 in the dice is `3//4` b. `1//2` c. `1//3` d. none of these

A

`3//4`

B

`1//2`

C

`1//3`

D

none of these

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OBJECTIVE RD SHARMA ENGLISH-PROBABILITY -Chapter Test
  1. The probability that a man will live 10 more years is 1//4 and the pro...

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  2. The probability that atleast one of the events A and B occurs is 0.6. ...

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  3. A man alternately tosses a coin and throws a die beginning with the...

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  4. A and B are two independent events. The probability that A and B occur...

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  5. A, B, C are any three events. If P(S) denotes the probability of S hap...

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  6. In a class of 125 students 70 passed in Mathematics, 55 in Statistics,...

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  7. A box contains 10 mangoes out of which 4 are rotten. Two mangoes are t...

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  8. A lot consists of 12 good pencils , 6 with minor defects and 2 with ma...

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  9. 3 mangoes and 3 apples are in a box. If 2 fruits are chosen at random,...

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  10. There are 3 bags which are known to contain 2 white and 3 black, 4 ...

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  11. Among the workers in a factory only 30% receive bonus and among those ...

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  12. If two events Aa n dB are such that P(A^o)=0. 3 ,P(B)=0. 4 ,a n dP(...

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  13. An almirah stores 5 black and 4 white socks well mixed. A boy pulls ou...

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  14. There are 4 white and 4 black in a bag and 3 balls are drawn at random...

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  15. Cards are drawn one-by-one at random from a well-shuffled pack of 52 ...

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  16. Five different objects A1,A2,A3,A4,A5 are distributed randomly in 5 pl...

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  17. A father has 3 children with at least one boy. The probability that he...

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  18. Out of 13 applicants for a job, there are 5 women and 8 men. It is des...

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  19. A box contain 100 tickets numbered 1, 2,......, 100. Two tickets are c...

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  20. A wire of length l is cut into three pieces. Find the probability that...

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