What has 13 hearts but no other organs?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

What is the next shape from answers A, B, C, and D figure?

I am quite hot but become too cold if you remove the first two letters. What am I?

In the given picture, in how many ways can you read the word "Tiger"?

Solve the puzzle by telling what does below picture means.

I taste better than I can smell. Who am I?

What does this simple rebus mean?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?