If two cards are taken one after another without replacing
from a pack of 52 cards what is the probability for the two
cards be queen.
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Answer Posted / praveen
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There are Brown and Black cows. In five days four black cows and 3 brown cows give as mush as milk that four brown cows and 5 black cows give in four days. If the black cow gives 10 litres of milk per day, how many liters of milk the Brown cow will give in one day? (Numbers are not certain)
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If A/B = 6/5,then 3A+2B =
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36:4 :: 9: ?
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