What brings you down but never up?

Can you solve below mathematical equation?

2^1234 - 2^1233

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

It belongs to you, but other people use it more than you do. What is it?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

John is the son of Jacob.
So,
Jacob is the_____of John's father?