Question
A bag contains 15 black balls, 25 white balls, and 20
yellow balls. If three balls are drawn at random with replacement, what is the probability of drawing a white ball first, a black ball second, and a yellow ball third?Solution
Since, the ball is replaced each time
Therefore, required probability = (25/60) × (15/60) × (20/60) = 5/144
Choose the combination that completes the sentence.
Match Column I and Column II and choose the correct match from the given choices
BECAUSE
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In the following questions two columns are given containing three sentences/phrases each. In first column, sentences/phrases are A, B and C and in the ...
Choose the combination that completes the sentences.
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Column (1)
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Column (1)
Column (2)
(A) ChildLine has been in operation
(D) the scheme is not yet available.
(B) It has functione...
