If Rs. 10 be allowed as true discount on a bill of Rs. 110 due at the end of a certain time, then the discount allowed on the same sum due at the end of double the time is: September 23, 2025 by Admin A. Rs. 20 B. Rs. 21.81 C. Rs. 22 D. Rs. 18.33 ✅ The correct answer is option D. Rs. 18.33.