The effective speed of a boat travelling downstream is 20 kmph, whereas it is 10 kmph upstream. What is the speed of the stream current in kmph?
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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Probationary Officer - 14.08.2015 গণিত
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Jane, Karim and Leo checked out books from the library. Jane has an even number of library books . Karim has 3 more library books than Jane . Leo has 2 more library books than Karim. Which statement is true about the number of library books Karim and Leo have ?

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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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