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: a man can row upstream at 15 kmph and downstream at 25 kmph , and then find the speed of the man in still water ? 
Options: a ) 27 , b ) 29 , c ) 30 , d ) 20 , e ) 24

SOLUTION: d

PROBLEM: Problem: two trains are moving in opposite directions at 60 km / hr and 90 km / hr . their lengths are 2.9 km and 1.6 km respectively . the time taken by the slower train to cross the faster train in seconds is ? 
Options: a ) 99 , b ) 277 , c ) 48 , d ) 96 , e ) 108

SOLUTION: e

PROBLEM: Problem: how many cubes of 25 cm edge can be put in a cubical box of 1 m edge . 
Options: ['a ) 177 cm', 'b ) 100 cm', 'c ) 86 cm', 'd ) 64 cm', 'e ) 87 cm']

SOLUTION:
d