cards marked with numbers 13 14 15 ...60 are placed in a box and mixed thoroughtly . one card is drawn at random from the box .find the probility that numbers on the card drawn is a perfect square
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Step-by-step explanation:
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Step-by-step explanation:
Total no. of outcome = an= a+(n-1)d
a=12,d=1,an=60
60=13+(n-1)1
60=13+n-1
60=12+n
60-12=n
n=48
is a perfect square is 16,25,36 49
no.of perfect square is 4
therefore p(E)=4/48
p(E)=1/12
I think correct
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