If 21x = 79x, what is the value of x?

Find the missing number in the sequence.

3 5/3 7/5 11/7 ? 17/11

Can you identify the hidden rebus in the image below?

Can You Find The Naughty BUNNY Hidden In The Girl’s Bedroom Within 9 Seconds? Good Luck!

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Find the Goldfish below the given Image.

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Eight Chelsea player makes the following statements :

1. Seven of us are lying here.
2. Six of us are lying here.
3. Five of us are lying here.
4. Five of us are lying here.
5. Four of us are lying here.
6. Three of us are lying here.
7. My name is Torres.
8. My name is Lampard.

The last two are Lampard and Torres or maybe Torres and Lampard.
So can you deduce which of the last two is Lampard or Torres?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?