What can you catch but never throw?

What kind of band never plays music?

What does an Island and the letter T have in common?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

People make me, save me, change me, raise me. What am I?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Which is heavier: a ton of bricks or a ton of feathers?

Solve the counting riddle by identifying the number of triangles in the given picture.