Answer :

Given, Rajini deposited 3000 and Mohini deposited 4000 in a company


Rate is 10%


Time = 3year and years


we know that amount(A) = P + I


we know that Interest =


=


= 900 for rajhini


And for mohini Principal = 4000


Rate = 10%


Time = years =


I =


= 1000


A = 4000 + 1000 = 5000


Difference of amount = 5000-3900 = 1100


Option A is incorrect as 100 ≠ 1100


Option B is incorrect as 1000 = 1100


Option C is incorrect as 900 ≠ 1100


Option D is correct as 1100 = 1100


Hence, option D is the correct one.

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