Can you find out the missing number in the grid?

A cat, a dog and a monkey were stolen. 3 suspects got caught: Harish, Manoj and Tarun. All we know is each person stole one animal, but we do not know who stole which. Here are the investigation statements. Harish said: Tarun stole the cat. Manoj said: Tarun stole the dog. Tarun said: They both were lying. I did not steal the cat or the dog. Later on, the police found out the man who stole the monkey told a lie. The man who stole the cat told the truth. Can you find out who stole which?

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

What demands an answer, but asks no questions

When we see 2 but call 10?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?