Pratima departs from her house and walks 29 m towards the north and then turns right and walks 16 m. Now she turns right
again and walks 17 m. She again takes a right turn and stops after walking for 21 m. What is the shortest distance between
Pratima and her house now? (Assuming that all turns are 90 degree turns only)
This questions was previously asked in
SSC CPO 9th Nov 2022 Shift 3
Explanation:
- Pratima starts by walking 29 meters north from her house.
- She turns right and walks 16 meters, leading her to the east.
- She turns right again, walking 17 meters to the south.
- Finally, she takes another right and walks 21 meters to the west.
- To find the shortest distance between Pratima and her house, observe her final position relative to the starting point.
- She ends up 29 - 17 = 12 meters north of her starting point and 21 - 16 = 5 meters west of it.
- Use the Pythagorean theorem: Distance = v(12² + 5²) = v(144 + 25) = v169 = 13 meters.
Correct Answer: Option 3: 13 meters
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