Correct Answer: Option D
S.I. on Tk. (110-10) for a certain time = Tk. 10.
S.I on Tk. 100 for double the time = Tk. 20.
T.D. on Tk. 120 = Tk. (120-100) = Tk. 20.
T.D. on Tk. 110 = Tk. (20/120)×110= Tk. 18.33
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