When 99 is considered higher than 100?

What 5-letter word typed in all capital letters can be read the same upside down?

In the picture given below, can you find out which digit will take place of the question mark?

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?

Why do you find that most of the buildings are deprived of the 13th floor?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

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

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?