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

Find the number of squares in the below-given picture.

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

Decode below three cipher riddles:

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

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

What does this rebus means ?

PROG WORKRESS

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

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

If an electric train is travelling south, then which way is the smoke going?