a box contains cards numbered 11 to 123 a card is drawn at random from the box find the probability that the number on the drawn card is a square a number and multiple of 7
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Answered by
7
Sample Space ={11,12,13,....,123}
No. Of favorable outcomes={16,25,36,49,64,81,100,121,14,21,28,35,42,56,63,70,77,84,91,98,105,112,119}
Therefore, P(square of a no. Whereas multiple of 7)=23/123=(ans)
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No. Of favorable outcomes={16,25,36,49,64,81,100,121,14,21,28,35,42,56,63,70,77,84,91,98,105,112,119}
Therefore, P(square of a no. Whereas multiple of 7)=23/123=(ans)
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Answered by
12
square number between 11 -123 are
16,25,36,49,56,81,100,121
p=8/113
multiple of 7
14,21,28,35,42,49,56,63,70,77,84,91,99,106,119
p=16/113
16,25,36,49,56,81,100,121
p=8/113
multiple of 7
14,21,28,35,42,49,56,63,70,77,84,91,99,106,119
p=16/113
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