064. Ratan walked 7 km from his home in north direction, then he took a left and walked 4 km. Then he took a right and walked 5 km. After taking another right he walked 4 km and reached at his friend's home. Find how far and in which direction is his home from his friend's home?
(a)15km, North/15km,4 (b) 15 km. South /15 km. (c) 12 km. South/12 km, (d) 12 km. North/12 km,
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To answer your question;
Ratan’s home is 12km North from his friend’s home.
• Ratan walked 7km north from his home, that is he walked 7km.
• Then Ratan walked 4km towards the left, that means he is not going anywhere on top, so this part won’t be included in the addition for the distance.
• After this Ratan took a right and walked 5km, this will be included as he is heading north again and it adds to the distance.
• Now, he takes another right and walks 5km to reach his friend’s home. This means he walked east which won’t be counted here.
• Therefore, we conclude that Ratan walked 7+5 km north to reach his friend’s home.
Ratan’s home is 12km North from his friend’s home.
• Ratan walked 7km north from his home, that is he walked 7km.
• Then Ratan walked 4km towards the left, that means he is not going anywhere on top, so this part won’t be included in the addition for the distance.
• After this Ratan took a right and walked 5km, this will be included as he is heading north again and it adds to the distance.
• Now, he takes another right and walks 5km to reach his friend’s home. This means he walked east which won’t be counted here.
• Therefore, we conclude that Ratan walked 7+5 km north to reach his friend’s home.
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4
Answer:
booo wrong answer correct answer is d)
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