CAT 2019 Interest Question (Medium)

Question

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?

Optima Learn · Accepted Answer

Step 1 Let the investments of Amala, Bina, and Gouri be Amala 3x, Bina 4x, Gouri 5x Their respective annual interest rates are in the ratio 6 5 4 So Amala s rate 6 , Bina s 5 , Gouri s 4 Step 2 Interest income Amala 3x 6 0.06 3x 0.18x Bina 4x 5 0.05 4x 0.20x Gouri 5x 4 0.04 5x 0.20x Given Bina s int

CAT 2019 Interest — Previous Year Question

CAT 2019

Quantitative

Interest

Medium

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