If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

Can you make four (4) nines (9) equal 100?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

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

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

Can you find out who is the kidnapper in below Picture and why, Explain ?

How can you make number one disappear by adding something to it?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?