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Question
A man donated 5% of his income to a charitable organization and deposited 20% of the remainder in a bank. if he now has Tk. 1919 left, then his income is :
Tk. 2300
Tk. 2500
Tk 2525
Tk. 2558
Tk. 2250
ANSWER : 3
Descrption
<p>Let total income is x</p> <p>5% for Charitable organisation is 5% of x = 5x/100 = 0.05 x</p> <p>Balance available ( x - 0.05x) = 0.95x</p> <p>20% deposited in bank = 20% of 0.095x</p> <p> = (20 × 0.95x)/100</p> <p> = .19 x</p> <p>Now left ( 0.95x - 0.19x) = 0.76x</p> <p>ATQ,</p> <p>0.76x = 1919</p> <p>x = 1919/ 0.76</p> <p>x = 2525 (ans)</p>
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