Can you count the number of triangles in the given figure?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

I have Rs.50 and I spend it in the way as below.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What does below chemistry rebus means?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?