Decode this picture on T-Shirt and tell what it says ?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Find the next number in the following series:
6, 14, 26, 98, __?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

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

I’m tall when I’m young, and I’m short when I’m old. What am I?

Give it food and it will live; give it water and it will die.

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?