A man was just doing his job when his suit was torn. Why did he die three minutes later?

How many times can you subtract the number two from the number fifty?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Find the next number in the following series:
6, 14, 26, 98, __?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

What is the riddle which can be asked all day with a different correct answer each time.

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Prove that the below maths equation is true.

8 + 8 = 91

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?