A garrison of 2000 men has provisions for 65 days. At the end of 15 days, a reinforcement arrives, and it is now found that the provisions will last only for 20 days more. What is the reinforcement? Options:
A) 1977
B) 1893
C) 1979
D) 3000
E) 1278
2000 ---- 65   2000 ---- 50   x ----- 20   x*20 = 2000*50   x = 5000   2000   -------   3000   Answer: 3000
<result>D</result>
A garrison of 2000 men has provisions for 65 days. At the end of 15 days, a reinforcement arrives, and it is now found that the provisions will last only for 20 days more. What is the reinforcement?