Question : Directions: Rahul walks 30 metres towards the south. Then turning to his right and starts walking straight till he completes another 30 metres. Then again, turning to his left he walks for 20 metres. He then turns to his left and walks for 30 metres. How far is he from his initial position?
Option 1: 50 metres
Option 2: 30 metres
Option 3: 10 metres
Option 4: 60 metres
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Correct Answer: 50 metres
Solution : Firstly, we will draw the diagram as per the given instructions –
In the above figure, O is the starting point and D is the finishing point. So, OD is the total distance covered by Rahul.
OD = OA + AD
And, AD = BC = 20 m
Therefore, OD = 30 + 20 = 50 m
So, Rahul is 50 metres from the starting point. Hence, the first option is correct.
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