As labor costs, an electrician charges Tk. 36.50 per hour for himself and Tk. 27.50 per hour for his assistant. What would be the total labor cost for a job taking 61 hours?

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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Management Trainee Officer - 23.01.2009 গণিত
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In a random survey, 25 out of 150 people were able to give a correct answer to the question asked. If 500 people are surveyed , about how many would be expected to answer the question correctly ?

Created: 2 months ago | Updated: 1 week ago
Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Management Trainee Officer - 23.01.2009 গণিত
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To reproduce an old photograph, a studio charges Tk. z to make anegative, Tk. 0.6z for each of the first 10 prints, and Tk. 0.2z. for each print in excess of 10 prints. If Tk. 45 is the total charge to make one nagative and 20 prints from an old photograph then what is the value of z?

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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Probationary Officer - 29.07.2011 গণিত
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The average of a set of 12 numbers, which includes 34, is A. If 34 is removed from the set and 38 is included to the set , what is the average of the new set of numbers in terms of A ?

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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Probationary Officer - 29.07.2011 গণিত
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The average weight of 3 young men is 53 kg. No one of them weight less than 51 kg. What is the maximum weight of any one man ?

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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Officer - 2004 গণিত
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A cake is made into 18 pieces . If syma takes 1/3 of the cake and Robin takes 1/3 of the rest that are left, how many pieces are still left ?

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Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Officer - 2004 গণিত
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