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Let the sum invested by A&B be rupees 22y and rupees 25y respectively. Then interest received by A = 22y*15*3/100 = Rs. 9.9y Interest received by B = 25y{1+(12/100)} 2 –25y = Rs. 6.36y According to question, 9.9y-6.36y = 1062 y=300 So some invested by A = 22*300 = Rs. 6600
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