1. Vishal invested 3/11th part of his monthly income in stocks share and that of 1/4th part in mutual fund. He spent the remaining amount on domestic needs and apparel in the ratio 5 : 3 respectively. The expenditure on domestic needs was Rs.2100 What is his annual income ?
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By: anil on 05 May 2019 01.22 am
Let the annual income = Rs. $$x$$
=> Total investments in stocks and mutual funds = $$frac{3x}{11} + frac{x}{4}$$ = Rs. $$frac{23x}{44}$$ => Remaining amount = $$x - frac{23x}{44} = frac{21x}{44}$$ Expenditure on domestic needs = $$frac{5}{8} imes frac{21x}{44} = 2100$$ => $$x = frac{2100 * 44 * 8}{5 * 21}$$ => $$x = 7040$$ $$ herefore$$ Annual income = 12 * 7040 = Rs. 84,480
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=> Total investments in stocks and mutual funds = $$frac{3x}{11} + frac{x}{4}$$ = Rs. $$frac{23x}{44}$$ => Remaining amount = $$x - frac{23x}{44} = frac{21x}{44}$$ Expenditure on domestic needs = $$frac{5}{8} imes frac{21x}{44} = 2100$$ => $$x = frac{2100 * 44 * 8}{5 * 21}$$ => $$x = 7040$$ $$ herefore$$ Annual income = 12 * 7040 = Rs. 84,480