APS CLASS 7 10.10.2024

If the side length of a square is increased by 5 cm and its new perimeter is 60 cm, what was the original side length of the square?

• 10 CM

• 15 CM

• 12 CM

• 8 CM

The perimeter of a rectangle is 90 cm, and its length is twice its width. What are the dimensions of the rectangle?

• 15 cm, 30 cm

• 20 cm, 25 cm

• 10 cm, 35 cm

• 22.5 cm, 22.5 cm

The perimeter of a triangle is 42 cm. If two of its sides are 15 cm and 12 cm, what is the length of the third side?

• 15 CM

• 13 CM

• 14 CM

• 12 CM

The base of a triangle is 12 cm, and its height is 8 cm. If both the base and height are doubled, what will be the new area of the triangle?

• 192 CM²

• 96 CM²

• 48 CM²

• 64 CM²

A triangle has an area of 84 cm², and its base is 14 cm. What is its height?

• 10 CM

• 12 CM

• 14 CM

• 8 CM

A circular garden has a radius of 9 m. How much area is left if a circular path of 1 m width is created inside the garden along its boundary? (Use π = 3.14)

• 62.80 M²

• 52.75 M²

• 82.18 M²

• 53.38.8 M²

When a candle burns, it undergoes:

• Only a physical change

• Only a chemical change

• Both physical and chemical changes

• Neither physical nor chemical change

Which of the following processes is a chemical change?

• Dissolving sugar in water

• Melting of ice

• Rusting of iron

• Boiling of water

What happens to the molecules in a substance during a physical change?

• They change their chemical structure

• They rearrange but stay the same substance

• They combine to form a new substance

• They break apart to form new molecules

Which of the following best describes a physical change?

• Formation of a new substance with different properties

• Production of heat or light

• Change in the state or appearance of the substance without changing its chemical composition

• Irreversible transformation of matter