A boatman takes twice as long to go a distance upstream as to travel the same distance downstream . What is the ratio of the speed of the boatman (in still water) and the current?

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Two numbers are in the ratio 3 : 7 . If 6 be added to each of them, then they are in the ratio 5 : 9 Find the numbers?

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Job Solution Probashi Kallyan Bank এক্সিকিউটিভ অফিসার (সাধারণ) ১৮.১০.২০১৯ গণিত
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28? + 1426 =34 of 2872

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A bag contains 50 P , 25 P and 10 P coins in the ratio 5 : 9 : 4 amounting to TK. 206 .Find the number of coins of each type respectively .

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The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. The sum of the numbers is :

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Painter A can paint a house in 16 days and painter B can do the same work in 20 days . With the help of painter C, they paint the house in 8 days only. Then , Painter C alone can do this task in -

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