TASK DEFINITION: In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: two trains of equal length are running on parallel lines in the same direction at 46 km / hr and 36 km / hr . the faster train catches and completely passes the slower train in 54 seconds . what is the length of each train ( in meters ) ? 
Options: a ) 45 , b ) 55 , c ) 65 , d ) 75 , e ) 85

SOLUTION: d

PROBLEM: Problem: the perimeter of a semi circle is 122 cm then the radius is ? 
Options: a ) 17 , b ) 28 , c ) 24 , d ) 11 , e ) 12

SOLUTION: c

PROBLEM: Problem: if a light flashes every 6 seconds , how many times will it flash in 2 / 5 of an hour ? 
Options: a ) 181 , b ) 211 , c ) 241 , d ) 271 , e ) 301

SOLUTION:
c