Rearrange the letters in "new door" to make one word.

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

A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?

Can you solve the below tricky visual equation?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

In the picture given below, can you find out which digit will take place of the question mark?

Decode below rebus
D
N
A
T
S , D