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Three electric lamps are fitted in a roo...

Three electric lamps are fitted in a room. 3 bulbs are chosen at random from 10 bulbs having 6 good bulbs. The probability that the room is lighted is

A

`29//30`

B

`49//50`

C

`1//10`

D

`43//66`

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1A
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  17. If a party of a n persons sit at a round table, then the odds against...

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