Two trains are moving at 60 kmph and 70 kmph in opposite directions. Their lengths are 150 m and 100 m respectively. The time they will take to pass each other completely is?
Choose the correct choice from the following choices
A) 6 12/13 sec	B) 7 1/7 sec	C) 7 2/2 sec	D) 8 1/2 sec	E) 7 1/9 sec
70 + 60= 
<gadget id="calculator">70 + 60</gadget>
<output>130</output>
130 * 5/18= 325/9 mps   D = 150 + 100= 
<gadget id="calculator">150 + 100</gadget>
<output>250</output>
250 m   T= 250 * 9/325 = 90/13 = 6 12/13 sec   6 12/13 secnswer: 6 12/13 sec
<result>A</result>
Two trains are moving at 60 kmph and 70 kmph in opposite directions. Their lengths are 150 m and 100 m respectively. The time they will take to pass each other completely is?