Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Using eight eights and addition only, can you make 1000?

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

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?