The average of 10 integers is -16. If the sum of 6 of them is 100, what is the average of the other 4 ?

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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Trainee Officer - 24.09.2010 গণিত
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Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

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If x is an integer then which of the following must be odd ?

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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Assistant Officer - 09.10.2009 গণিত
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The capacity of computer memory is increasing exponentially . At the same time increased capacity is becoming available at cheaper rate. Two years ago 1GB RAM cost TK. 5,000. Now 4GB Ram is available at the same price. If this trend continues what capacity of RAM will you get for TK. 5,000 after 3 years time ?

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A wire that weight 24 kilogram is cut into two pieces so that one of these two pieces weigh 16 kilogram and is 34 meter long. If the weight of each piece is proportional to its length , how long is the other piece ?

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If x% of 40 is y then 10x = ?

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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Assistant Officer - 09.10.2009 গণিত
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