A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Jim has three close friends at his school: Michael, John and Alice. Two of them play football, two play basketball and two play hockey. The friend who does not play hockey does not play basketball as well. The friend who does not play football does not play hockey.

Can you identify which sport/s is played by which person?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927