Question

A car covers 120km in 3 hours. In 5 hours it will cover km

Answer 1

$Given \:$

$A \: car \: covers \: 120km \: in \: 3 \: hours \:$

$How \: many \: km \: it \: will \: cover \: in \: 5 \: hours \: =?$

120 kilometers = 3 hours
? kilometers = 5 hours

[ cross multiply ]

$= \: 5 \times 120 \div 3$

[ Cancel by 3 ]

$= \: 5 \times 40$

$= \: 200kms \:$

$Therefore \: the \: car \: covers \: 200km \: in \: 5hrs$