Question
A bag contains 9 black and 10 white balls. One
ball is drawn at random. What is the probability that the ball drawn is white?Solution
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It takes a team of either 20 boys or 35 girls, 27 days to achieve a sales target. How many days will it take for a team consisting of 21 boys and 42 gir...
'A' can complete a project in 15 days but worked only the first 4 days. 'B', who is 80% as efficient as 'A', takes over. How long does 'B' need to finis...
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