What can you see in the middle of March and April that you can never see in any other month?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

If your uncle’s sister is not your aunt, what relation is she to you?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

What's the next in the series?

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

You bought me for dinner but never eat me. What am I?

What's the only room from which no one can enter or leave

What English word has three consecutive double letters?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

What is the word or phrase?