Find out the number of circles in the given picture having Illusion

In the image below, can you find the value of an angle(y)

Count the Triangle in the figure given below:

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?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

Can you identify the hidden rebus in the image below?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

What does below Rebus say?

XLR8