If 20 percent of 80 percent of a number is 12.8, then what is the number ?
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Job Solution Bangladesh Bank Bangladesh Bank - Assistant Director - 2015 গণিত
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Average mark in Math in a class of 40 students is 45. Average mark of all the 30 boys is 50. Then the average mark obtained by the girls is :

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729ml of a mixture contains milk and water in ratio 7 : 2 . How much of the water is to be added to get a new mixture containing half milk and half water ?

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The sum of 3 consecutive odd numbers is 57. The middle one is -

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Today is Monday. After 61 days, it will be :

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In a box , there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green ?

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