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Amala, Bina, and Gouri invest money in the ratio 3 : 4: 5 in fixed deposits having respective annual interest rates in the ratio 6: 5 : 4. What is their total interest income (in Rs) after a year, if Bina's interest income exceeds Amala's by Rs 250?

Amala, Bina, and Gouri invest money in the ratio 3 : 4: 5 in fixed deposits having respective annual interest rates in the ratio 6: 5 : 4. What is their total interest income (in Rs) after a year, if Bina's interest income exceeds Amala's by Rs 250? Correct Answer 7250

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