The sum of fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first fifteen terms of that arithmetic progression?

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Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Senior Officer - 20.10.2017 গণিত
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If the interest on Taka 500 for 4 years and Taka 600 for 5 years is Taka 500; what will be the rate of interest?

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Present ages of Saleh and Anu are in the ratio of 5:4 respectively. Three years later, the ratio of their ages will become 11:9 respectively. What is Anu's present age in years?

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যদি একটি আয়তাকার বাগানের দৈর্ঘ্য এবং প্রস্থ উভয়ই ১০% হারে বাড়ানো হয় , তবে বাগানটির ক্ষেত্রফল কত হারে বাড়বে?

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Sakib's weekly salary is Tk. 70 less than Javed's , whose weekly salary is Tk. 50 more than Samir's. If Samir earns tk. 280 per week, how much does Sakib earn per week?

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Salaries of A, B and C are in the ratio 2:4:6. Salary of Band C together is Tk. 12,000 By what percent is salary of C more than that of A?

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Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Officer - 05.08.2011 গণিত
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