Last year there were 1172 students at Banani High School. This year there are 15 percent more students than last year. Approximately how many students are at Banani High School this year ?

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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 ?

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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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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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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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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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