A box contains cards 11 to 123. A card is drawn at random from the box.
find probability.
(1) a sq no.
2. a multiple of 7
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(1) Number of numbers between 11 to 123=113
Square numbers between 11 to 123= 16, 25, 36, 49, 64, 81, 100, 121 (8 numbers)
P(getting square number)=113/8
(2)Numbers multiple of 7= 14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119(16 numbers)
P(getting multiple of 7)=113/16
Square numbers between 11 to 123= 16, 25, 36, 49, 64, 81, 100, 121 (8 numbers)
P(getting square number)=113/8
(2)Numbers multiple of 7= 14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119(16 numbers)
P(getting multiple of 7)=113/16
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