### Poll Results

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Explanation:

Amount invested in scheme A

= Rs. x (let)

Amount invested in scheme B

= Rs. 3x

C.I. obtained from scheme A

= P [(1+R\100)^T−1]

= Rs. x [(1+20\100)^2−1]

= Rs. x [(1+1\5)^2−1]

= Rs. x [(6\5)^2−1]

= Rs. x (36\25−1) = Rs. (11x\25)

S.I. from scheme B

= Principal×Time×Rate\100

= 3x×2×9\100=Rs.54x\100

∴ 54x\100−11x\25=1200

=> 54x−44x\100=1200

=> 10x\100=1200

=> x = 1200×10 = Rs.12000