Spot what is wrong here in below Picture?

what does the below rebus mean?

The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82

What is the coolest letter in the alphabet?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

You can move only two matchsticks in the given picture. What is the highest number you can form by doing it?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

Can you find the missing rabbit the magician? Remember, you just have 11 seconds to complete the task!

Eight of us go fourth, not back, to protect our king from an attack. What are we?