Question

Ans of kota is located at a latitude of about 76°e and barpeta is at a latitude of about 91°e what is the difrence in local time at two locations

Answer 1

These are longitudes not latitudes.
Kota= 76° E longitude
Barpeta= 91° E longitude
at 0° longitude time = 12 noon
360° cover in 24 hours
15° covers in 1 hr
so 1° longitude= 4 minutes
longitude difference of places= 91-76= 15°
so time difference= 15°= 1 hr

other method-
time at Kota= 76x4= 304 minutes= 5hr:04minute
time at barpeta= 91x4= 364 minutes= 6hr: 04 minute
so time difference= 6:04-5:04= 1 hr Ans