Prove that the below maths equation is true.

8 + 8 = 91

what does the below rebus means?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

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

Find the missing letter in the last circle logically in the given below picture.

These types of puzzles are known as charades. What you have to do is find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be office.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

Can you tell a 3D object that has just two surfaces?