Two trains are moving at 45kmph 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?
Select
A) 40/6 sec	B) 43/6 sec	C) 47/6 sec	D) 40/3 sec	E) 40/7 sec
70 + 45= 
<gadget id="calculator">70 + 45</gadget>
<output>115</output>
115 * 5/18= 575/18 mps   D = 150 + 100= 
<gadget id="calculator">150 + 100</gadget>
<output>250</output>
250 m   T= 250 * 18/575 = 15/2 = 47/6 sec   Answer:47/6 sec
<result>C</result>
Two trains are moving at 45kmph 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?