There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What goes up but never comes down?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

When 99 is considered higher than 100?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

What is the difference between a jeweller and a jailer?

81 x 9 = 801. What must you do to make the this equation true?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

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