There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

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

Make a sentence consisting of three words that have the whole alphabet.

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

Find the hidden tiger in the given optical illusion ?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Spot 5 differences in two Christmas tree below:

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?