self Maths Puzzle

A flight takes off at 2.00 a.m. from a place at 18N 10E and landed 10 hours later at a place with co-ordinates 36N 70W. What is the local time when the plane landed?

(a)6.00 a.m. (b)6.40 a.m. (c)7.00 a.m. (d)7.40 a.m. (e)8.00 a.m.

Read Solution (Total 1)

(b) 6:40 a.m.
Time difference between places will be 4*(70+10) minutes = 320 min =
5 hrs 20 min
as change of 1 degree in longitude cause change of 4 minutes in time.
and that change is 80 degrees here.
so when plane land. time will be = 2.00 + 10.00 -5.20 = 6.40 a.m.
14 years agoHelpfull: Yes(13) No(1)

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