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Murad bought equal numbers of 20-paisa and 30-paisa stamps. If the total cost of the stamps was Tk. 10.00, What was the total number of stamps bought?

Murad bought equal numbers of 20-paisa and 30-paisa stamps. If the total cost of the stamps was Tk. 10.00, What was the total number of stamps bought? Correct Answer 40

ধরা যাক মুরাদ x সংখ্যক ২০ পয়সা টিকেট এবং x সংখ্যক ৩০ পয়সা টিকেট কেনেছেন। একটি ২০ পয়সা টিকেটের দাম ০.২০ টাকা এবং একটি ৩০ পয়সা টিকেটের দাম ০.৩০ টাকা। সমস্ত টিকেটের মোট দাম ১০.০০ টাকা হলে, আমরা নিচের সমীকরণটি লেখতে পারি:0.20x + 0.30x = 10.00এই সমীকরণটি সহজ করতে, আমরা লিখতে পারি:0.50x = 10.00সুতরাং,x = 10.00 / 0.50x = 20তাই মুরাদ ২০টি ২০ পয়সা টিকেট এবং ২০টি ৩০ পয়সা টিকেট কেনেছেন, মোটমতে ৪০টি টিকেট কেনা হয়েছে।    

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