Think and Solve

What is the capital of Australia?

• Sydney

• Perth

• Canberra

• Melbourne

Answer explanation

The capital of Australia is Canberra, making it the correct choice out of the options provided.

What is the chemical symbol for water?

• O2

• CO2
  

• NaCl

• H2O

Answer explanation

The chemical symbol for water is H2O, which consists of two hydrogen atoms and one oxygen atom.

How many sides does a hexagon have?

• 6

• 10

• 3

• 8

Answer explanation

A hexagon has 6 sides, as the prefix 'hexa-' means 'six' in Greek. Therefore, the correct answer is 6.

Who is known as the father of modern physics?

• Isaac Newton

• Albert Einstein

• Galileo Galilei

• Nikola Tesla

Answer explanation

Albert Einstein is known as the father of modern physics.

Which planet is known as the Red Planet?

• Mars

• Jupiter

• Earth

• Venus

Answer explanation

The Red Planet is known as Mars, making it the correct choice among the given options.

What is the chemical symbol for gold?

• Pt

• Ag

• Au

• Fe

Answer explanation

The chemical symbol for gold is Au, so the correct choice is Au.

What is the largest mammal in the world?

• Elephant

• Giraffe

• Hippo

• Blue whale

Answer explanation

The largest mammal in the world is the Blue whale.

How many continents are there in the world?

• 7

• 8

• 10

• 5

Answer explanation

There are 7 continents in the world, including Africa, Antarctica, Asia, Europe, North America, Australia (Oceania), and South America.

If you divide 30 by half and add 10, what do you get?

• 60

• 40

• 70

• 50

Answer explanation

Dividing 30 by half gives 60. Adding 10 to 60 results in 70. Therefore, the correct answer is 70.

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