Geometrical designs & Identification in aptitude test means the questions that demand selection of related letters/words/numbers/figures.
Geometrical design (GD) is a branch of computational geometry. It deals with the construction and representation of free-form curves, surfaces, or volumes and is closely related to geometric modeling. Core problems are curve and surface modelling and representation. In this you need to answer questions related to geometrical designs.
The capability of the student in correct geometrical design's matching or recognizing with its name/description/property is then tested in the identification part.
A book for MAH BHMCT CET that you can refer to for practicing these questions is Maharashtra Hotel Management-CET Paperback by Dr.Chandresh Agrawal.
These are some articles that can help you in your preparation for MAH BHMCT CET-
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