Two trains are moving in opposite directions @ 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is:	Choices:
A) 36	B) 45	C) 48	D) 49	E) 50
Relative speed=60+90= 
<gadget id="calculator">60+90</gadget>
<output>150</output>
150*5/18=(125/3)m/s   Total Distance covered=(1.10+0.9)= 
<gadget id="calculator">(1.10+0.9)</gadget>
<output>2</output>
2 km= 2000m   Required time = (2000*3/125)= 
<gadget id="calculator">(2000*3/125)</gadget>
<output>48</output>
48sec   ANSWER:48
<result>C</result>
Two trains are moving in opposite directions @ 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is: