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

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

Why are all black people so quick ?

What can you hold in your right hand, but never in your left hand?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

What kind of tree can you carry in your hand?

I have an eye but still cannot see.

Who am I?