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

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...