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 number comes next in this sequence:
7 8 5 5 3 4 4 _

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?

Find the hidden panda in the image below.

What Deficiency does the below rebus represent?

VIT_MIN

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

What brings you down but never up?

Which five letter word can be added at the end of below word to form a
valid word?

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There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?