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Question
Two cars start at the same time from one point and move along two roads at right angles to each other. Their speeds are 36km/hr and 48km/hr respectively after 15seconds the distance between them will be
Options:
A .  150m
B .  250m
C .  300m
D .  400m
Answer: Option B

36km/hr =(36 x 5/18)m/sec = 10m/sec 
Distance covered in 15sec = OA =(10 x 15)m = 150cm
48km/hr =(48 x 5/18)m/sec = 40/3 m/sec 
Distance covered in 15 sec = OB = (40/3 x 15)m = 200m
Distance between A and B 
 AB=        Two Cars Start At The Same Time From One Point And Move Alo...  =250m          



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