Which word does the below Plexor means ?

Can you make a fire with just a single stick?

What have one eye but still cannot see?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

Can you identify if it's a murder or a suicide ?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

If 21x = 79x, what is the value of x?

What do you think with the below Picture ?