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Banking Sample Paper SBI Clerk Grade (Main) Sample Test Paper-2

  • question_answer
    A certain sum is invested for 2 years at 8% simple interest per annum in Scheme A. When half of that sum is invested for 3 years at 9% simple interest per annum in Scheme B, it yields an interest which is Rs, 300 less than the interest received from scheme A. What was the amount invested in scheme A?

    A)  Rs.8000                       

    B)  Rs, 9000

    C)  Rs. 15000                    

    D)  Rs. 12000

    E)  Rs.10000

    Correct Answer: D

    Solution :

     Let the investment be Rs. x. \[\text{S}\text{.I=}\frac{\text{Principal }\!\!\times\!\!\text{ Time }\!\!\times\!\!\text{ Rate}}{\text{100}}\] According to the question, \[\frac{x\times 2\times 8}{100}-\frac{x\times 3\times 9}{2\times 100}=300\] \[\Rightarrow \frac{16x}{100}-\frac{27x}{200}=300\] \[\Rightarrow \frac{32x-27x}{200}=300\] \[\Rightarrow 5x=300\times 200\] \[\Rightarrow x=\frac{300\times 200}{5}=Rs.12000\]


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