A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Find the missing number in the sequence below:

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

If six children and two dogs were under an umbrella, how come none of them got wet?

What is the next number in this series?

4,12,84,3612....

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

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you write down eight eights so that they add up to one thousand?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?