RRB JE practice question
Rahul walks 3 km east, then 4 km south, then 2 km north. How far is Rahul from the starting point?
From a RRB JE Reasoning practice set · Reasoning
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Correct answer: (D) 3.61 km
Net southward displacement = 4-2 = 2 km; distance = sqrt(32+22) = 3.61 km.
शुद्ध दक्षिण दिशा में विस्थापन = 4-2 = 2 किमी; दूरी = sqrt(32+22) = 3.61 किमी।
शुद्ध दक्षिण दिशा में विस्थापन = 4-2 = 2 किमी; दूरी = sqrt(32+22) = 3.61 किमी।
हिंदी में प्रश्न
राहुल 3 किमी पूर्व, फिर 4 किमी दक्षिण, फिर 2 किमी उत्तर चलता/चलती है। राहुल प्रारंभिक बिंदु से कितनी दूर है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 3.61 किमी
Net southward displacement = 4-2 = 2 km; distance = sqrt(32+22) = 3.61 km.
शुद्ध दक्षिण दिशा में विस्थापन = 4-2 = 2 किमी; दूरी = sqrt(32+22) = 3.61 किमी।
शुद्ध दक्षिण दिशा में विस्थापन = 4-2 = 2 किमी; दूरी = sqrt(32+22) = 3.61 किमी।
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