Thi kiến thức 3

We breathe in ___________ and breathe out carbon dioxide.

If there are three oranges and you take away two, how many will you have?

I am an odd number. Take away a letter and I become even. What number am I?”

What’s the word?

Answer explanation

What is the name of the baby cow?

What is the first official name of Vietnam?

• Van Lang

• Au Lac

• Dai Viet

• Viet Nam

If 4 people can repair 4 bicycles in 4 hours, how many bicycles can 8 people repair in 8 hours?

It belongs to you, but your friends use it more. What is it?”

What’s the word?

I have cities but no houses, forests but no trees, rivers but without water. What am I?