Can you solve below mathematical equation?

2^1234 - 2^1233

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Can you name some countries which do not have the alphabet 'A' in them?

The answer I give is yes, but what I mean is no. What was the question?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

What Time Should the last watch show in the below figure?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

A man dies of old age on his 25 birthday. How is this possible?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What goes up but never comes down?