Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Can you find out the remainder when 3^300 is divided by 5?

How many triangles are there in the picture below?

Can you guess the name of the month by looking the below rebus ?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.