Question
A train runs $200\ km$ in $5$ hours. How many kilometres does it run in $7$ hours?
✓
Answer
Train runs $200\ km$ in $5$ hours,Train runs in one hour $=\frac{200}{5}\text{km}$
$= 40\ km$
$\therefore$ No of kms does it run in $7$ hours $= 7 \times 40\ km$
$= 280\ km$
$= 40\ km$
$\therefore$ No of kms does it run in $7$ hours $= 7 \times 40\ km$
$= 280\ km$
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