Suppose a man invested Rs.(4000 + 2a) in Mutual Fund 'X' for 2 years and Rs. (3200 + 6a) in scheme 'Y' for 2 years and interest gets from Mutual Fund 'X' is Rs. 112 more than interest gets from Mutual Fund 'Y', then what will be the entire amount invested in Mutual Fund 'Y'.
ATQ, we can say that Rate in Scheme ‘X’ = R = [(2176 × 100)/(6800 × 2)] = 16% Rate in Scheme ‘Y’ = R – 6 = 16 – 6 = 10% Then, (4000 + 2a) × 2 × 0.16 – (3200 + 6a) × (1.12 – 1) = 112 (4000 + 2a) × 0.32 – (3200 + 6a) × 0.21 = 112 1280 + 0.64a – 672 – 1.26a = 112 0.62x = 496 a = 800 Amount invested in Scheme 'Y' = 3200 + (6 × 800) = Rs.8000
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