Question
Which of the following is the correct set-up for
electrolytic refining of silver?Solution
The correct answer is C
If n(A) = 25, n(B) = 40 and n(A ∪ B) = 50, then n(A ∩ B) equals
A bag has balls of three colours. It has 8 red balls, x green balls and y blue balls, If probability of picking one green ball and that of picking one b...
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Bag X contains 2 red balls and 6 blue balls, whereas bag Y contains 3 red balls and 2 blue balls. One ball is drawn at random from X and transferred in...
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A bag has ((x - 1)) red, ((x + 2)) green and ((x + 5)) yellow balls. Find the probability of taking, without replacement, out 2 red, 1 green and 2 yell...
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