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Question
Murad bought equal number of 20-paisa and 30 paisa stamps . If the total cost of the stamps was Tk. 10 , what was the total number of stamps that Murad bought?
25
34
40
46
ANSWER : 3
Descrption
<p>Let, x is the number of 20 - poisa stamps.</p> <p>Then the number of 30 - poisa stamps is x too.</p> <p>Note that 10 taka = 1000 poisa.</p> <p>Therefore, we obtain the following equation - </p> <p>20
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