What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

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

What number comes next in this sequence:
7 8 5 5 3 4 4 _

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

In the image given, you can find several triangles. Can you count them all?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

Can you decipher the two rows to find the hidden word?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?