A and B together can paint a wall in 3 days . A can do it alone in 5 days . How many days would it take B to do this job alone ?

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Job Solution Exim Bank Ltd Exim Bank Ltd - Assistant Officer - 01.10.2010 গণিত
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The contents of a certain box consist of 9 apples and 27 oranges . How many oranges must be removed from the box so that 70% of the pieces of fruits in the box will be apples ?

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Four litres of milk are to be porued into a 2-litre bottle and a 4-litre bottle . If each bottle is to be filled to the same fraction of its capacity, how many litres of milk should be poured into the 4-litre bottle ?

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If 2x+2y=7z, then what is the average of x, y and z ?

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