You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

What does the below rebus riddle means?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Which is heavier: a ton of bricks or a ton of feathers?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

what does this below rebus represent identXQQQQQME

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

What is the fastest way to double your money?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?