Test Index

WAEC Geography 2013 Papers

Question : 2

Total: 37

Solution:

Concept:

Local time changes by 1 hour for every

15^\circ

of longitude difference.

Explanation:

Nigeria lies at

15^\circ E

and town Y lies at

30^\circ W

Their total longitude difference is

15^\circ + 30^\circ = 45^\circ

Time difference =

\frac{45^\circ}{15^\circ} = 3

hours.

Since Nigeria is east of town Y, its local time is ahead.

Thus, local time in Nigeria =

7:00\text{ p.m.} + 3 \text{ hours} = 10:00\text{ p.m.}

Answer:

B. 10.00 p.m.

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