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

What does this rebus means ?

PROG WORKRESS

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

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

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

What jumps when it walks and sits when it stands?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?