Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What is the word or phrase?

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

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

What has one letter and starts with an E?

I shave every day, but my beard stays the same. What am I?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?