Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

Can you spot the hidden girl in the picture below?

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?

Look at the picture and find out which square is not linked with any of the other squares.

What does below chemistry rebus means?

What can you serve, but never eat?

Move three sticks of the spiral below to form a square.

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99