The distance between Delhi and Mathura is 110 kms. A starts from Delhi with a speed of 20 kmph at 7 a.m. for Mathura and B starts from Mathura with a speed of 25 kmph at 8 p.m. from Delhi. When will they meet?	Choose the correct choice from the following choices.
A) 08 a . m .
B) 09 a . m .
C) 12 a . m .
D) 10 a . m .
E) 07 a . m .

Rationale: "d 10 a . m . d = 110 – 20 = 90 rs = 20 + 25 = 45 t = 90 / 45 = 2 hours 8 a . m . + 2 = 10 a . m ."
Answer: D