A travels 8 km from East to West and turns right and travel 2 km. Now again he turn right and travel 5 km. In which direction is he now positioned with reference to starting point ?A, पूर्व दिशा से पश्चिम में 8 किमी चलता है तथा दायें मुड़कर 2 किमी चलता है पुनः दायें मुड़कर 5 किमी चलता है, तो वह शुरुआत बिन्दु के संदर्भ में अब किस दिशा में स्थित है ?
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Correct answer: B. North-Westउत्तर-पश्चिम
Explanation
Take the start as (0, 0). A walks 8 km West to (-8, 0). Facing west, a right turn is North, so he walks 2 km to (-8, 2). Facing north, a right turn is East, so he walks 5 km to (-3, 2). He is 3 km west and 2 km north of the start, i.e. in the North-West. Hence the answer is North-West.प्रारंभ बिंदु को (0, 0) लें। A पश्चिम में 8 किमी चलकर (-8, 0) पर पहुँचता है। पश्चिम की ओर मुँह करके दायाँ मोड़ उत्तर होता है, अतः वह 2 किमी चलकर (-8, 2) पर पहुँचता है। उत्तर की ओर मुँह करके दायाँ मोड़ पूर्व होता है, अतः 5 किमी चलकर (-3, 2) पर पहुँचता है। वह प्रारंभ से 3 किमी पश्चिम और 2 किमी उत्तर में है, अर्थात उत्तर-पश्चिम में। अतः उत्तर उत्तर-पश्चिम है।More Reasoning & Mental Ability questions
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