Elitmus Exam Numerical Ability Probability

Q.You have 3bags each containing two marbles.bag A contain 2 white marbles , bag B contaion 2 black marbles,bag C contains one white marble and one block marble. You pick a random bag and take out one marble.it is a white marble.probability that the remaining marble from the same bag is also white ?

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Elitmus Other Question

How many 4 digit numbers can be formed using digits 0,1,2,3,4,5, such that number is divisible by 8.
(100)^8-(1112)^2 is divisible by 3^n, then what is the maximum value of n.
(a) 6
(b) 2
(c) 1
(d) 0