Complete the table series riddle by finding the number that can replace "??".

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

I cannot talk, but I always reply when spoken to. What am I?

What does this rebus riddle means ?

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

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?