Sagarika divides her savings of \(10000\) rupees to invest across two schemes A and B. Scheme A offers an interest rate of \(10\%\) per annum, compounded half-yearly, while scheme B offers a simple…
Question and options
Sagarika divides her savings of rupees to invest across two schemes A and B. Scheme A offers an interest rate of per annum, compounded half-yearly, while scheme B offers a simple interest rate of per annum. If at the end of first year, the value of her investment in scheme B exceeds the value of her investment in scheme A by rupees, then the total interest, in rupees, earned by Sagarika during the first year of investment is
- 1111
- 1000
- 1100
- 1130
Answer and explanation
Correct answer: D - 1130
A gets x: value 1.05^2 x = 1.1025x; B value 1.12(10000-x). 11200-2.2225x=2310 gives x=4000. Interest: A 4000*0.1025=410, B 6000*0.12=720; total 1130.
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