Mr. X can do a job in 8 days and his son can do it in 12 days. How many days will it take to complete the job if they work togethsr?

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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Probationary Officer - 14.08.2015 গণিত
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Choose the pair which is dissimilar to others in the following .

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Jamal's average score in 4 tests was 80 out of a possible 100 . If his scores in 2 of the tests were 65 and 70, what is the lowest that either of his other scores could have been ?

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In a departmental store, notebooks that are normally sold for Tk.59 each are on sale at 2 for Tk.99. How much can saved by purchasing 12 of these notebooks at the sale price?

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If the average of 5 consecutive integers is 13 then what is the sum of the least and the greatest of the 5 integers?

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The number 0.01 is how many times as great as the number (0.0001)2?

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