The distance between two lines of longitude is maximum at which latitude?

1. Tropic of Cancer
2. North Pole
3. Equator
4. Arctic circle

Assertion (A): All places on a particular meridian will have noon at the same time.

Reason (R): The sun crosses a meridian at noon.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

What is Standard Time?

1. Uniform time based on a central meridian.
2. Time at 0° longitude
3. Time at 82°30'E
4. Time at 7½° longitudes at 12 noon.

Which of the following is true about the International Date Line?

1. It goes zig-zag at two points.
2. The date changes as one moves across it.
3. It is opposite the Prime Meridian.
4. All of the above.