यदि एक दिशा सूचक खंभे को इस प्रकार घुमाया जाता है कि उसका उत्तर-पूर्व लिखा हुआ भाग उत्तर-पश्चिम को दर्शाता है और दक्षिण-पूर्व लिखा हुआ भाग उत्तर-पूर्व को दर्शाता है, तथा अन्य दिशाओं के लिए भी यही क्रम जारी रहता है, तो जो भाग पहले पूर्व दिशा को दर्शाता था, वह अब किस दिशा को दर्शाएगा?

A person 'X' started from his home and walked 3 km straight. Then he turned right and walked 2 km. He turned right again and walked 1 km. If he is now in the North-West direction relative to his house, in which direction did he walk in the beginning?

Ramu starts from his house, moves towards the east, walks 90 m, turns right and moves 20 m. He turns right again and moves 30 m. Finally, he turns right and walks 100 m. In which direction should he walk to reach his house again?