Q. Consider the following statements:
1.3D printing is cheaper than traditional method of manufacturing.
2.4D printing is an advanced version of 3D printing where the fourth dimension is time.
Select the correct statements using the codes given below:
Red Book
Red Book

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: C
Notes:

Explanation –

Statement 1 and 2 are correct. 3D printing is cheaper than traditional method of manufacturing. 4D printing is an advanced version of 3D printing where the fourth dimension is time.

Source: ForumIAS

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