A box contain 11 to 123. A card is drawn at random from the box. Find the probability that the number on the drawn card is Asquare number And a multiple of 7
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1
Total cards = 123 - 10 = 113
Square numbers = 16 , 25, 36, 49 ,64,81, 100,121
Out of these no.s only 49 is a multiple of 7
So, favourable outcomes = 1
Total outcomes = 113
Probablity = 1/113
Square numbers = 16 , 25, 36, 49 ,64,81, 100,121
Out of these no.s only 49 is a multiple of 7
So, favourable outcomes = 1
Total outcomes = 113
Probablity = 1/113
Answered by
0
Total Number of cards= 90+23= 113
Required cards= 49
probability= 1/113
Required cards= 49
probability= 1/113
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