Class 4 Exam > Class 4 Questions > Going 50 m to the south of her house, Radhika...
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Going 50 m to the south of her house, Radhika turns left and goes another 20 m. Then, turning to the North, she goes 30 m and then starts walking to her house. In which direction is she walking now?
- a)North-west
- b)North
- c)South-east
- d)East
Correct answer is option 'A'. Can you explain this answer?
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Going 50 m to the south of her house, Radhika turns left and goes anot...
Radhika’s movements are as shown in Fig. (A to B, B to C, C to D and D to A). Clearly, she is finally moving in the direction DA i.e. North
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Going 50 m to the south of her house, Radhika turns left and goes anot...
Solution:
To determine the direction in which Radhika is walking now, let's analyze the given information step by step:
1. Going 50 m to the south of her house:
- Radhika moves 50 m in the south direction.
2. Turning left and going another 20 m:
- After going 50 m to the south, Radhika turns left, which means she is now facing east.
- Then, she moves 20 m in the east direction.
3. Turning to the north and going 30 m:
- After moving 20 m to the east, Radhika turns to the north, which means she is now facing north.
- Then, she moves 30 m in the north direction.
4. Starting to walk to her house:
- After moving 30 m to the north, Radhika starts walking towards her house.
Now, let's determine the final direction in which Radhika is walking:
- Radhika initially moves 50 m south.
- Then, she turns left and moves 20 m east.
- After that, she turns to the north and moves 30 m north.
- Finally, she starts walking towards her house.
So, if we consider the net movement, Radhika has moved 50 m south and 30 m north. The northward movement cancels out the southward movement, leaving us with a net movement of 20 m north.
Therefore, Radhika is currently walking in the north direction.
Hence, the correct answer is option 'B' - North.
To determine the direction in which Radhika is walking now, let's analyze the given information step by step:
1. Going 50 m to the south of her house:
- Radhika moves 50 m in the south direction.
2. Turning left and going another 20 m:
- After going 50 m to the south, Radhika turns left, which means she is now facing east.
- Then, she moves 20 m in the east direction.
3. Turning to the north and going 30 m:
- After moving 20 m to the east, Radhika turns to the north, which means she is now facing north.
- Then, she moves 30 m in the north direction.
4. Starting to walk to her house:
- After moving 30 m to the north, Radhika starts walking towards her house.
Now, let's determine the final direction in which Radhika is walking:
- Radhika initially moves 50 m south.
- Then, she turns left and moves 20 m east.
- After that, she turns to the north and moves 30 m north.
- Finally, she starts walking towards her house.
So, if we consider the net movement, Radhika has moved 50 m south and 30 m north. The northward movement cancels out the southward movement, leaving us with a net movement of 20 m north.
Therefore, Radhika is currently walking in the north direction.
Hence, the correct answer is option 'B' - North.
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Going 50 m to the south of her house, Radhika turns left and goes another 20 m. Then, turning to the North, she goes 30 m and then starts walking to her house. In which direction is she walking now?a)North-westb)Northc)South-eastd)EastCorrect answer is option 'A'. Can you explain this answer?
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