How can you take 2 from 5 and leave 4?

By using 'because' continuously three times, can you make an English statement ?

What word is represented by this rebus?

When we see 2 but call 10?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?