What does this rebus puzzle means ?

What Adam and Eve do not have but the rest of the people have?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

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.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Look at the picture and find out which square is not linked with any of the other squares.

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

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

Solve the counting riddle by identifying the number of triangles in the given picture.