A) Rs. 20

B) Rs. 21.81

C) Rs. 22

D) Rs. 18.33

**Answer:**D) Rs. 18.33

**Explanation:**

S.I. on Rs. (110 - 10) for a certain time = Rs. 10.

S.I. on Rs. 100 for double the time = Rs. 20.

T.D. on Rs. 120 = Rs. (120 - 100) = Rs. 20.

T.D. on Rs. 110 = Rs.

20
/
120

x 100 = Rs. 18.33