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When it is noon along 82° 30′ E longitude along what degree of longitude it will be 6.30 am

When it is noon along 82° 30′ E longitude along what degree of longitude it will be 6.30 am ?

(a)

along 165° E

(b)

along 67°30′ W

(c)

0° E or W

(d)

along 82° 30′ W

Answer:

Explanation