Karim can do a job in 15 minutes and his brother takes twice as long to do the same job. If they work together, how long it takes to complete the job?

Created: 4 months ago | Updated: 2 months ago
Job Solution Rajshahi Krishi Unnayan Bank Rajshahi Krishi Unnayan Bank - Senior Officers - 15.04.2011 গণিত
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The average of 20, 70 and x is 40. If the average of 20, 70, x and y is 50, then y = ?

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What is the total interest on Tk. 800 at 12.5% per annum for 9 months in Taka?

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