10+10 and 11+11 can give you the same answer.

Explain how?

Can you count the number of triangles in the picture below?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Can you count the number of triangles in the given figure?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Can you solve the below tricky visual equation?