See the below figure and answer the following questions.

(a) What would be the value of angle AOB?

1. 40°
2. 20°
3. 10°
4. 140°

(b) The circle through EQ is a

1. Great circle
2. Small circle
3. Semi-circle
4. Both (1) and (2)

(c) Identify the relationship between length of the Prime Meridian and that of 40° Meridian.

1. ≥
2. <
3. =
4. ≤

Assertion (A): 1° angular distance of the parallels of latitudes is roughly equal to 111 km.

Reason (R) : The poles are each located at 90° angular distance north or south of the Equator.

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.

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.

The Earth has been divided into how many Time Zones?

1. 48
2. 20
3. 12
4. 24