Question

Nishad got a new bycycle on his birthday as a present. He set out from his home the next day for ride. He went 2km north from his home.Then he headed 1km west. He then turned south and moved 3km. After that he took a straight road to his home.
What was the displacement of Nishad from his home until he took a straight road to his home?
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Answer 1

the answer is ✓2km

let's say Nishad started from the point A

then,

By Pythagoras Theorem,

AE²=1²+1²

AE=√(1+1)

= √2 km