Answer : 4 6.3 yrs Explanation : Answer: D) 6.3 yrs Explanation: P = Rs. 900, R = 3 ½ % = 7/2 %, T = 2 years. Therefore, S.I. = PTR/100S.I. = Rs. (900 x 7/2 x 2/100) = Rs. 63Now, P = Rs. 200, S.I. = Rs. 63, R = 5 %Time = ((100 x 63) / (200 x 5) ) years = 6.3 years.

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