Riddle

What comes once in a minute, twice in a moment, but never in a thousand years?

• The letter "M"

• The letter "E"

• The letter "O"

• The letter "X"

I speak without a mouth and hear without ears. I have no body, but I come alive with the wind. What am I?

• Snow

• Echo

• Cloud

• Whisper

What has keys but can't open locks, space but no room, and you can enter, but you can't go inside?

• Keyboard

• Computer

• Piano

• Website

I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

• Gold

• Silver

• Iron

• Pencil lead

The more you take, the more you leave behind. What am I?

• Footsteps

• Memories

• Photos

• Baggage

I'm always in the middle of the school year but never in the beginning or the end. What am I?

• Recess

• The letter "O"

• The number "5"

• Summer vacation

I am a number. I am odd but not prime. Multiply me by any whole number, and you'll get the same number back. What am I?

• 0

• 1

• 2

• 5

What is the longest river in Myanmar, flowing from north to south?

• Ayeyarwady River

• Thanlwin River

• Sittaung River

• Chindwin River

How do teachers choose the color of markers they use on the whiteboard?

• Based on the day of the week

• Depending on their mood

• By drawing lots from a marker bag

• Using a high-tech color-sensing pen