What are the following —

(a) The black vertical line between Easting 55 and 56

1. Northing of 55 in the given extract
2. Line of Longitude, 37'30"
3. Line of Longitude 37
4. None of the above

(b) The black horizontal line between Northing 16 and 17

1. Northing of 55 in the given extract
2. Line of Latitude, 32'30"
3. Line of Longitude 37
4. None of the above

Name the relief feature shown by contours in grid square 7127

1. A hilly area
2. A steep slope
3. Slope of the land
4. A highland

What is the conventional sign given in grid square 5824?

1. Brick kiln
2. A Well
3. A Quarry
4. A Brick Mine

What is the type of relief feature shown by the contours on grid square 4097?

1. A steep slope
2. A gentle slope
3. Slope of the land
4. Higher elevation