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'.

[EX Q]: Problem: a boat m leaves shore a and at the same time boat b leaves shore b . they move across the river . they met at 500 yards away from a and after that they met 300 yards away from shore b without halting at shores . find the distance between the shore a & b 
Options: a ) 1000 yards , b ) 1200 yards , c ) 1400 yards , d ) 1600 yards , e ) 1800 yards
[EX A]: b

[EX Q]: Problem: if 22 men do a work in 55 days , in how many days will 10 men do it ? 
Options: a ) 121 , b ) 123 , c ) 119 , d ) 125 , e ) 127
[EX A]: a

[EX Q]: Problem: how many paying stones , each measuring 3 m * 2 m are required to pave a rectangular court yard 60 m long and 14 m board ? 
Options: a ) 99 , b ) 140 , c ) 26 , d ) 17 , e ) 12
[EX A]:
b