A train leaves Delhi at 9 a.m. at a speed of 30 kmph. Another train leaves at 2 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?  Choose the most appropriate option
A) 288 km B) 188 km C) 600 km D) 388 km E) 188 km
D = 30 * 5= 
<gadget id="calculator">30 * 5</gadget>
<output>150</output>
150   RS= 40 – 30 = 10   T = 150/10= 
<gadget id="calculator">150/10</gadget>
<output>15</output>
15   D= 40 * 15= 
<gadget id="calculator">40 * 15</gadget>
<output>600</output>
600 km   Answer:600 km
<result>C</result>
A train leaves Delhi at 9 a.m. at a speed of 30 kmph. Another train leaves at 2 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?