They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

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.

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

What runs around the whole yard without moving?

Can you place three balls such that the equation shown in the picture holds true?

What four weights can be used to balance from 1 to 30 pounds?

Can you solve below mathematical equation?

2^1234 - 2^1233