Can you find out which options fits best with the missing column?

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?

By what process could you make a 'Tea-Table' into food?

There are five people. One of them shot and killed one of the other five.
We know following clues:
1. Dan ran in the NY City Marathon yesterday with one of the innocent men.
2. Mike consider being a farmer before he moved to the city.
3. Jeff is a top notch computer consultant and wants to install Ben new computer next week.
4. The murderer had his leg amputated last month.
5. Ben met Jack for the first time six months ago.
6. Jack has been in seclusion since the crime.
7. Dan used to drink heavily.
8. Ben and Jeff built their last computers together.
9. The murderer is Jack's brother. They grew up together in Seattle.

Consider yourself to be a famous detective "Sherlock Homles", Can you find the killer?

What is the next number in this series?

4,12,84,3612....

I have Rs.50 and I spend it in the way as below.

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Can you spot the man between the coffee bean in the picture below ?

What does this Rebus Picture mean?