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 sum due at the end of double the time is

If Rs 10 be allowed as true discount on a bill of Rs 110 due at the en

1.	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 sum due at the end of double the time is
A.	22
B.	21.81
C.	20
D.	18.33
Answer» D. 18.33