Which of the materials given below was/were used for writing on in ancient India?

Shown below are three panels with cutouts in three shapes. From the given pairs of blocks, identify which pairs will PASS THROUGH all the cutouts. [Figure: see page 19 of source PDF]

Shown are logos of different Companies/Organisations. Select the option(s) that identifies (identify) the designers of the logos. [Figure: see page 20 of source PDF]

Which of the statements is/are TRUE about the FIVE symbols given below? [Figure: see page 19 of source PDF]

Below are two patterns created by a repetition of circles. For each of the patterns, identify the configuration of circles from which it has been created, from the set of options given below and then answer the question that follows. Which of the following statements is/are TRUE?…

Which of the statements is/are TRUE with respect to the picture shown below?

Shown below are schematic diagrams of a single arm of a 3-fold umbrella. Identify the correct representation/s. [Figure: see page 21 of source PDF]

Shown below are four structures made with rigid elements. They are joined to each other at red points by screws that allow elements to move. Identify the structure/s that is/are NOT rigid. [Figure: see page 18 of source PDF]

Identify which of the options given below can be folded to make the 3D object in the picture shown below. [Figure: see page 18 of source PDF]