The distance between Delhi and Mathura is 140 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 most appropriate option.
A) 10.50 a.m.
B) 10.40 a.m.
C) 10.30 a.m.
D) 11.40 a.m.
E) 1.40 a.m.
D = 140 – 20 = 120   RS = 20 + 25= 
<gadget id="calculator">20 + 25</gadget>
<output>45</output>
45   T= 120/45 = 2 2/3 hours   8 a.m. + 2 hrs 40 min = 10.40 a.m.   ANSWER:10.40 a.m.
<result>B</result>
The distance between Delhi and Mathura is 140 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?