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Question
A , B and C enter into partnership by making investments in the ratio 3:5:7 . after a year , C invests another tk.337600 while a withdraws tk. 45600, the ratio of investments then changes to 24:59:87 . How much does a invest initially ?
tk.140600
tk.141600
tk.131600
tk.140500
ANSWER : 3
Descrption
<p>ধরি, A এর initial investment 3x</p> <p>B এর inital investment 5x</p> <p>C এর inital investment 7x</p> <p>( 3x : 45600) : 5x = 24 : 59</p> <p>3x - 45600/5x = 24/59 </p> <p>x - 15200 /5x = 8/59</p> <p>59x - 40x = 15200 × 59 </p> <p>x = 15200 × 54 /19 </p> <p>x = 47,200</p> <p>A এর initial investment ( 3 × 47200) = 1,41,600</p>
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