A hostel spends Tk. 3200 as cost of rice 20 students for 30 days. If they spend Tk. 2400 for 30 students, for how many days will the rice last?
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Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Officer - 05.08.2011 গণিত
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If 5% is gained by selling an article for Tk. 350 than selling it for Tk.340, the cost of the article is :

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When the diameter of a circle is tripled, the area of the circle will be increased by ---

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Which of the following is the average of first prime numbers?

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