82.4
82
81.6
80
Source: Bangladesh Bank - Officer - 2001
Answer: 81.6
Explanation:
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Ali buys 1,440 dozen pens @ Taka 2.50 a dozen and sells them @ Taka 0.25 a price. Find his total profit ?
কোন সংখ্যার ৬০% হতে ৬০ বিয়োগ করলে ফলাফল হবে ৬০?
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Arman wanted to have Tk. 39,200 as interest after 5 years. He has invested an amount in an account for 1 year at 8% interest rate. From the 2nd year, he invested the principal amount in another account offering 10% interest for 3 years. At the beginning of the fifth year he invested the Principal amount in another account at the rate of 11%. What was the principal amount? (assume simple interest rate)
At XYZ Company, the ratio of sales to gross profit is 4:3 and the ratio of gross profit to net profit is 3:1, what is the ratio of net profits to sales?
The population of bacteria in an experiment was only two in first day. If each day the population increases by 3, what will be the number of bacteria in 100 day?
কোন বর্গক্ষেত্রের এক বাহুর দৈর্ঘ্য ৫০% বৃদ্ধি করলে, ক্ষেত্রফল বৃদ্ধি পাবে -
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