The ratio of 1/4 to 3/5 is :

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Job Solution Bangladesh Bank Bangladesh Bank - Assistant Director - 2001 গণিত
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Square of a number plus two times the number equal 63. What is the number ?

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In 1990, Hotel Seagull earned TK. 5 million in tourist revenue. By 2000, tourist revenue doubled and in 2010, it reached the sum TK. 20 million. Each of the following , if true , may explain the trend in tourist revenue except :

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Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

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If An organization increases its staff salary by 25% . By what percent must it now decrease the salary to return to the original amount ?

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.

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