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Question (21)

QN0025392

A place at 75°E longitude is ahead of Greenwich by:

(A) 3 hours
(B) 4 hours
(C) 5 hours
(D) 6 hours

Correct Answer: C

Explanation:

75° ÷ 15 = 5 hours ahead

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Question (22)

QN0025393

A place at 45°W longitude is behind Greenwich by:

(A) 1 hour
(B) 2 hours
(C) 3 hours
(D) 4 hours

Correct Answer: C

Explanation:

45° ÷ 15 = 3 hours behind

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Question (23)

QN0025394

If it is 8 am at Greenwich, time at 30°E is:

(A) 6 am
(B) 8 am
(C) 10 am
(D) 12 noon

Correct Answer: C

Explanation:

30° east = +2 hours

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Question (24)

QN0025395

If it is 6 pm at Greenwich, time at 15°W is:

(A) 5 pm
(B) 6 pm
(C) 7 pm
(D) 8 pm

Correct Answer: A

Explanation:

15° west = -1 hour

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Question (25)

QN0025396

Time zones broadly follow divisions of:

(A) 5°
(B) 10°
(C) 15°
(D) 30°

Correct Answer: C

Explanation:

Each time zone is about 15°

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Question (26)

QN0025397

The International Date Line is located at: (International Date Line)

(A) 0° longitude
(B) 90° longitude
(C) 180° longitude
(D) 360° longitude

Correct Answer: C

Explanation:

It lies near 180° longitude

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Question (27)

QN0025398

The International Date Line is opposite to the:

(A) Equator
(B) Prime Meridian
(C) Tropic of Cancer
(D) South Pole

Correct Answer: B

Explanation:

It is opposite the Prime Meridian

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Question (28)

QN0025399

Crossing the International Date Line changes the:

(A) Latitude
(B) Longitude
(C) Date
(D) Season

Correct Answer: C

Explanation:

Crossing changes the calendar date

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Question (29)

QN0025400

When crossing the International Date Line eastward, one should:

(A) Add one day
(B) Subtract one day
(C) Add one hour
(D) Subtract one hour

Correct Answer: B

Explanation:

Eastward crossing reduces a day

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Question (30)

QN0025401

When crossing the International Date Line westward, one should:

(A) Subtract one day
(B) Add one day
(C) Change latitude
(D) Stop the clock

Correct Answer: B

Explanation:

Westward crossing adds a day

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Question (21)

A place at 75°E longitude is ahead of Greenwich by:

Explanation:

Link:

Question (22)

A place at 45°W longitude is behind Greenwich by:

Explanation:

Link:

Question (23)

If it is 8 am at Greenwich, time at 30°E is:

Explanation:

Link:

Question (24)

If it is 6 pm at Greenwich, time at 15°W is:

Explanation:

Link:

Question (25)

Time zones broadly follow divisions of:

Explanation:

Link:

Question (26)

The International Date Line is located at: (International Date Line)

Explanation:

Link:

Question (27)

The International Date Line is opposite to the:

Explanation:

Link:

Question (28)

Crossing the International Date Line changes the:

Explanation:

Link:

Question (29)

When crossing the International Date Line eastward, one should:

Explanation:

Link:

Question (30)

When crossing the International Date Line westward, one should:

Explanation:

Link:

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