Correct Answer:
Option C - Approximate or preliminary or rough estimate–This is an approximate estimate made to find out an approximate cost in a short time.
Methods of approximate estimate–
1. Unit rate estimate
2. Plinth area estimate
3. Cubical content rate estimate.
C. Approximate or preliminary or rough estimate–This is an approximate estimate made to find out an approximate cost in a short time.
Methods of approximate estimate–
1. Unit rate estimate
2. Plinth area estimate
3. Cubical content rate estimate.