Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

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?

How many triangles are there on the puzzle below?

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Can you count the number of children in the picture below

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

What is the longest word in the dictionary?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?