what does this picture(rebus) riddle means ?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Find the next number in the series.
1 10 24 43 67 ?

I shave every day, but my beard stays the same. What am I?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

Which is faster, Heat or Cold ? Explain.

I am sure no one can have two things for dinner. what are they?

Can you name four days which start with the letter 'T'?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?