A and B start from house at 10am. They travel on the MG road at 20kmph and 40 kmph. there is a Junction T on their path. A turns left at T junction at 12:00 noon, B reaches T earlier, and turns right. Both of them continue to travel till 2pm. What is the distance between A and B at 2 pm
Options
A) 160km
B) 170km
C) 180km
D) 190km
E) 150km
at 12 A will travel=20*2= 
<gadget id="calculator">20*2</gadget>
<output>40</output>
40km   B will travel this 40 km in  40/40= 
<gadget id="calculator"> 40/40</gadget>
<output>1</output>
1 hr i.e. by 11am.   after T junction for 160km- distance travelled=2*20= 
<gadget id="calculator">2*20</gadget>
<output>40</output>
40 km   for b distance travelled=40*3= 
<gadget id="calculator">40*3</gadget>
<output>120</output>
120   so distance between 160km &amp; B is=120+40= 
<gadget id="calculator">120+40</gadget>
<output>160</output>
160km   160kmNSWER:160km
<result>A</result>
A and B start from house at 10am. They travel on the MG road at 20kmph and 40 kmph. there is a Junction T on their path. A turns left at T junction at 12:00 noon, B reaches T earlier, and turns right. Both of them continue to travel till 2pm. What is the distance between A and B at 2 pm