cards numbered from 2 to 101 are placed in a box. A card selected at random. Find the probability that the card has a) an even number b) a squre number
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Answered by
1
a
24/100
b
12345678910ke square
so
10/100
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5
total number of card in box=100
2,4,6,8............100
all are in ap
no of even card 100=2+(n-1)2
n=50
probability to get even number of card=50/100
=1/2
no of square number=1,4,9,16,25,36,49,64,81,100=10
probability of getting square number=10/100=1/10
2,4,6,8............100
all are in ap
no of even card 100=2+(n-1)2
n=50
probability to get even number of card=50/100
=1/2
no of square number=1,4,9,16,25,36,49,64,81,100=10
probability of getting square number=10/100=1/10
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