A cube, a cuboid, a cone and a sphere were developed from an experimental material. In vacuum, the combined mass of the cuboid and the sphere is equivalent to the combined mass of the cube and the cone. The mass of the cuboid is equivalent to the combined mass of the sphere and the cone. The sphere weighed 2 kilograms and occupied a volume of 62.5 cubic cm in vacuum. One of the properties of this material is such that the length of the side of the cube doubles when exposed to air. How many cubes are needed to fill a tank of dimension 50 cm x 50 cm x 50 cm in air?

[50 Marks] Mandatory question Drawing Krishna, an 8-year-old boy, is taking his pet dog – Scooby, for a walk in a park.…

What is the main purpose for the presence of water in a toilet bowl (Western Commode/ Water Closet)?

A lever mechanism has Effort (E), Fulcrum (F) and Load (L). For example, a pair of scissors will have an order ‘EFL’ as…

Shown below is a traditional metal artefact made using the lost-wax casting technique. What is this craft called?

Shown below are the key frames of a bird flying. Which of the following options is the correct order?

Shown below are letters ‘e’ taken from four popular logos, arranged in a sequence. Which of the options is the correct…

What is the total number of musical instruments in the image below?

P is a transparent glass filled with water as shown below. Q is a white cylinder with parallel lines printed around it.…

The following image shows a set of letters in different fonts. Which of the options is the word formed by letters of th…

The following images show cave paintings from India. Which of the options is correct?