When monkey rotate the gear, which mark will be hit 1 or 2 ?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

What goes up but never comes down?

What can go up a chimney down, but can’t go down a chimney up?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

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?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What does below Rebus mean ?

esgg sgeg gegs gsge

What is the next number?

77, 49, 36, 18 ?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?