Replace the question mark with the correct number below.

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

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?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Count the number of triangles in the below picture?