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

Next Number in the Series,

5, 16, 49, 104, ?

If six children and two dogs were under an umbrella, how come none of them got wet?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Queen Elizabeth organised a royal party.

To Avoid uninvited guest royal family set a password.
Jack (an uninvited person) plan to enter the party. He stand nearby the door.

First guest comes, the security person said 'twelve' and guest replied with six.
Second guest comes , the security person said 'six' and guest replied with 'three'.

Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
He was immediately thrown out of the party. why ?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Find out the number of circles in the given picture having Illusion

Why 1729 is a magic number? Answer Logically.

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?