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# An express train starting from Delhi reaches Lucknow, a distance of $550km$, in $6\ hours$. Find the average speed of the train.

**Given:**

Distance, $D=550km$

Time, $t=6hour$

**To find:** Average speed of the train.

**Solution:**

We know that formula for average speed is given as-

$\text {Average Speed}=\frac {Total\ distance\ travelled}{Total\ time\ taken}$

Substituting the given values in the formula, we get-

$\text {Average Speed}=\frac {550}{6}$

$\text {Average Speed}=91.66km/h$

Thus, the average speed of the train is, **91.66 km/h.**

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