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

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

Can you count the number of squares in the given picture?

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

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Find out the missing number in the picture attached:

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Can you identify the hidden rebus in the image below?