Question
An investor has ₹20,000 to invest in two options:
Investment X, offering a 12% annual return, and Investment Y, offering an 8% annual return. If the total return from both investments is ₹2,240, determine the amounts invested in X and Y.Solution
Here 2240 is total return on investment of 20,000 
R = 11.2% By allegation method- Ratio of Beverage X to Beverage Y = (11.2-8): (12-11.2) = 3.2: 0.8 = 4: 1 Amount in Investment X = 4/5 of 20,000 = 16,000 Amount in Investment Y = 1/5 of 20,000 = 4,000
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