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Question
A collection of books went on sale and two-third of them was sold for Tk 2.30 each. If none of the 36 remaining books were sold, what was the total amount received for the books that were sold?
Tk 180
Tk 135
Tk 90
Tk 60
None of these
ANSWER : 5
Descrption
<p>Two y third were sold, so left = ( 1 - 2/3) = 1/3 of the book.</p> <p>1/3 of total book = 36 </p> <p>total book = 36×3 = 108 </p> <p>Now, 2/3 of total book = 2/3×108 = 72 </p> <p>Total amount earned = 72×2.30 Tk. = 165.6 Tk</p>
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