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 passenger trains start at the same hour in the day from two different stations and move towards each other at the rate of 12 kmph and 21 kmph respectively . when they meet , it is found that one train has traveled 60 km more than the other one . the distance between the two stations is ? 
Options: a ) 477 , b ) 396 , c ) 279 , d ) 276 , e ) 291

SOLUTION: b

PROBLEM: Problem: ajay can walk 6 km in 1 hour . in how many hours he can walk 70 km ? 
Options: a ) 5 hrs , b ) 11.6 hrs , c ) 15.6 hrs , d ) 20.1 hrs , e ) 30 hrs

SOLUTION: b

PROBLEM: Problem: two numbers have a h . c . f of 12 and a product of two numbers is 2460 . find the l . c . m of the two numbers ? 
Options: a ) 140 , b ) 150 , c ) 205 , d ) 170 , e ) 180

SOLUTION:
c