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Out of 10 white, 9 black and 7 red balls, in how many ways
can we select one or more balls
please with solution.
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Answer Posted / piya
26C1 + 26C2 +........+26C26
| Is This Answer Correct ? | 8 Yes | 11 No |
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At six o'clock the wall clock struck 6 times . Checking with my watch , I noticed that the time between the first & last strokes was 30 seconds . How long will the clock take to stike 12 at mid night
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