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Question
Johnny walked 20 yds towards north. Then he turned right and walked 30 yds. He turned right again and walked 35 yds. Then he turned left and walked 15 yds. Finally, he turned left again and walked another 15 yds. In which direction and how many meters is he from the starting position?
Johnny walked 20 yds towards north. Then he turned right and walked 30 yds. He turned right again and walked 35 yds. Then he turned left and walked 15 yds. Finally, he turned left again and walked another 15 yds. In which direction and how many meters is he from the starting position?
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Solution
The correct option is C 45 yds east
Let's assume that Johnny is standing at point A as shown below.
From there, let's follow the directions as given in the question.
So, Johnny will end up at point F.
The required distance can be calculated as:
Required distance = AF
= 30 + 15
= 45 yd
From the above diagram, we can see that F is to the east of A.
Hence, the required answer is 45 yd.
Let's assume that Johnny is standing at point A as shown below.
From there, let's follow the directions as given in the question.
So, Johnny will end up at point F.
The required distance can be calculated as:
Required distance = AF
= 30 + 15
= 45 yd
From the above diagram, we can see that F is to the east of A.
Hence, the required answer is 45 yd.
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