দুইটি সংখ্যার বর্গের সমষ্টি ও অন্তরফল ৬১ ও ১১ হলে, সংখ্যা দুইটি-

Created: 4 months ago | Updated: 3 months ago
Job Solution Islami Bank Bangladesh Ltd (IBBL) Islami Bank Ltd || Field Officer (01-03-2024) গণিত
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In a division sum , the remainder is zero . A student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient ?

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In what ratio must a grocer mix two varieties of tea Worth Tk. 60 per kg and Tk. 65 per kg so that by selling the mixture at Tk. 68.20 per kg he may gain 10% ?

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Three pipes P,Q and R can fill a tank in 6 hours. After working all three together for 2 hours. R is closed and P and Q can fill the remaining part in 7 hours . The number of hours taken by R alone fill the thank is --

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Present ages of Samad and Akmal are in the ratio of 5:4 respectively . Three years later ,the ratio of their ages will become 11:9 respectively . What is akmals present age in years ?

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