1594. If the formation level of a highway has a uniform gradient for a particular length, and the ground is also having a longitudinal slope, the earthwork may be calculated by_______________?

A. Mid-section formula
B. Trapezoidal formula
C. Prismoidal formula
D. All the above
✅ The correct answer is option D.

1596. Pick up the correct statement regarding the centre line method of estimating a building?

A. Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item
B. The centre line is worked out separately for different sections of walls of a building
C. The centre line length is reduced by half the layer of main wall joining the partition wall
D. All the above
✅ The correct answer is option D.