A train leaves Delhi at 9 a.m. at a speed of 30 kmph. Another train leaves at 3 p.m. at a speed of 40 kmph on the same day and in the same direction. How far from Delhi, will the two trains meet?	Choices:
A) 229  B) 288  C) 600  D) 720  E) 121
720 = 30 * 6= 
<gadget id="calculator">30 * 6</gadget>
<output>180</output>
180   RS= 40 – 30 = 10   T = 180/10= 
<gadget id="calculator">180/10</gadget>
<output>18</output>
18   720= 40 * 18= 
<gadget id="calculator">40 * 18</gadget>
<output>720</output>
720 km   Answer: 720
<result>D</result>
A train leaves Delhi at 9 a.m. at a speed of 30 kmph. Another train leaves at 3 p.m. at a speed of 40 kmph on the same day and in the same direction. How far from Delhi, will the two trains meet?