If it is 10:00 a.m. Indian Standard Time, then what would be the local time at Shillong located at 92oE longitude?

a) 9:22 A.M.
b) 9:38 A.M.
c) 10:22 A.M.
d) 10:38 A.M.


Ans- d
Explanation– IST meridian passes through 82.5 degree .
Differenc between two given longitudes= 9.5 degrees.
As we know 1 degree= 4 minutes, therefore 9.5 degrees= 4 x 9.5= 38 minutes.
Thus, time is 10+38 minutes= 10:38 AM
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3 comments:

  1. VikasSeptember 26, 2019 at 10:54 PM

    Great explanation 👌👌👌

    ReplyDelete
  2. UnknownAugust 10, 2020 at 4:31 PM

    Nice explanation

    ReplyDelete
  3. UnknownAugust 23, 2020 at 6:50 PM

    It's wrong explanation it will substract from 10am. 9:22is right answer


    ReplyDelete

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