Solve the equation in the image by looking at the pattern closely.

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

I cannot talk, but I always reply when spoken to. What am I?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

John bought a new car. He has a habit of eating ice cream from a particular ice cream shop while returning home from office. Whenever, he eats strawberry ice cream, he faces no problem. But whenever, he eats chocolate ice cream, the car starts giving problem. At first, he thinks, it is just a co-incidence but when this awkward incident happens for 3-4 times, he reports this problem to the company.

The mechanic of the company checks but finds no problem at all. The next day, when he stops by to eat chocolate ice cream, the car again starts giving problem.

Can you find the possible reason?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

What does this rebus riddle mean?

What's the next in the series?

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

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?