Question

6. The standard meridian of a country is generally a multiple of

O 15 degree or 71/2 degree
O 15 degree or 8 1/2 degree​

Answer 1

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$\huge\sf\underline{\underline{\red{15 \ degree \ or \ 71/2 \ degree.}}}$

Because 15 degrees of longitude is equivalent to 1 hour in time (that is 360 / 24) it is convenient to adopt time zones at 7.5 degrees or 15 degrees multiples. In other words time zones are separated by multiples of 1 hour or 1/2 hour.

$\textit{Hope this helps you}$

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Answer 2

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