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Question : Directions: Karthik travelled 3 km east, then took a right turn and travelled 4 km. How far is he from the starting point?

Option 1: 5 km

Option 2: 15 km

Option 3: 3 km

Option 4: 7 km


Team Careers360 23rd Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: 5 km


Solution : Firstly, we will draw the diagram as per the given instructions –

Here, AB = 3 km and BC = 4 km
AC is the distance between the starting and the finishing point.
By applying the Pythagoras theorem –
⇒ (AC)2 = (AB)2 + (BC)2 = (3)2 + (4)2 = 9 + 16 = 25
⇒ AC = √25 = 5 km

So, Karthik is 5 km away from the starting point. Hence, the first option is correct.

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