A bag contains 17 markers with numbers 1 to 17 . A marker is drawn at random and then replaced; ... VIDEO
A bag contains 17 markers with numbers 1 to 17 . A marker is drawn at random and then replaced; a second marker is drawn then find number of ways so that first number is even and second is odd, is
(a) 36
(b) 128
(c) 256
(d) 72
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