A number is selected at random from first 50 natural numbers. Then the probability that it is a multiple of 3 and 4 is:
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Step-by-step explanation:
n(s)=1,2,3,....,50
multiple of 3=3,6,9,....,48
number of multiples of 3=16
number of multiples of 4=12
number of multiples of 3 and 4=4
∴n(A)=16+12−4=28−4=24
P(E)= 50/24
= 25/12
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