A person walks 2 km towards East and then he turns to South and walk 1 km. Again he turns to East and walks 2 km after that he turns to North and walk 4 km. Now how far is he from his starting point ?
एक व्यक्ति पूर्व की ओर 2 किमी चलता है फिर वह दक्षिण दिशा में मुड़कर 1 किमी चलता है फिर वह पूर्व दिशा में मुड़कर 2 किमी चलता है, उसके बाद वह उत्तर दिशा में मुड़कर 4 किमी चलता है। अब वह प्रारम्भिक बिन्दु से कितनी दूर खड़ा है ?
Pick an option to check yourself, or open the answer below.
Show answer & explanation
Correct answer: A. 5 km5 किमी
Explanation
Net: 4 km east and 4 − 1 = 3 km north → √(16 + 9) = 5 km.
शुद्ध 4 किमी पूर्व और 3 किमी उत्तर → 5 किमी।
More Reasoning & Mental Ability questions
- If W = 23, STRONG = 93, then WEAK is equal to :
- In a row of boys, A is 15th from the left and B is fourth from the right. There are three boys between A and B, C is first left of A. What…
- If a person walks 8 km towards South then turns right and walks 8 km, again turns left and walks 10 km. In which direction is he from start…
- Find the wrong term of the following series : G4T, J9R, M20P, P41N, S90L
- Find the wrong number in the following series : 135, 226, 353, 552, 739
- A said "that boy is the grandson of my mother's husband. I have no brother or sister." How is the boy related to A ?