Cards marked with numbers 3, 4, 5, …, 50 are placed in a box and mixed
thoroughly. One card is drawn at random from the box. Find the probability that
number on the drawn card is
(i) Divisible by 7.
(ii) A number which is a perfect square.
(iii) A two-digit number.
Answers
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Step-by-step explanation:
Total no of cards =48
ex:7,14,21,28,35,42,49
p(Divisible by 7) = 7/48
ex:4,9,16,25,36,49
p(A number which is a perfect square)= 6/48 =1/8
ex:10,11,12,13,14.....50 = count of number=41
p(A two-digit number)=41/48
pls mark as brilliant answer
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