Q.
If a card is drawn at random from a packet of 200 cards numbered 1 to 200, the probability of drawing a number on the card that is a cube
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a
3200
b
125
c
140
d
150
answer is C.
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Detailed Solution
5C1 200C1=140 ∵the set of cubes below 200 is {13,23,33,43,53}
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