Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

Which letter of the alphabet has the most water?

What word is represented by this rebus?

No matter how little or how much you use me, you change me every month. What am I?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Replace the question mark in the picture below.

There is a dressing drawer which contains the following coloured socks in pairs: Purple, Magenta, Crimson, White, Yellow and Turquoise. Now, the socks are paired and each pair is together in the matching set. There is no light in the room and you open the drawer and pick up a pair. Then, without noticing any colour, you keep them back and pick them up again.

Can you calculate the probability that the pair of socks was Yellow both times?