two stations p and q are 155 km apart on a straight track. one train starts from p at 7 a. m. and travels towards q at 20 kmph. another train starts from q at 8 a. m. and travels towards p at a speed of 25 kmph. at what time will they meet?
Choose the correct choice.
A) 10 am
B) 12 am
C) 10.30 am
D) 12.30 am
E) 11 am
<gadget id="calculator">155 + 25</gadget>
<output>180</output>

<gadget id="calculator">20 + 25</gadget>
<output>45</output>

<gadget id="calculator">180 / 45</gadget>
<output>4</output>

<gadget id="calculator">4 + 7</gadget>
<output>11</output>

<result>E</result>
two stations p and q are 155 km apart on a straight track. one train starts from p at 7 a. m. and travels towards q at 20 kmph. another train starts from q at 8 a. m. and travels towards p at a speed of 25 kmph. at what time will they meet?
add(divide(add(155, 25), add(20, 25)), 7)
"assume both trains meet after x hours after 7 am distance covered by train starting from p in x hours = 20 x km distance covered by train starting from q in ( x - 1 ) hours = 25 ( x - 1 ) total distance = 155 = > 20 x + 25 ( x - 1 ) = 155 = > 45 x = 180 = > x = 4 means , they meet after 3 hours after 7 am , ie , they meet at 11 am answer is e ."