What kind of storm is always in a rush?

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

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

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

Can you find out what is missing?

1 3 5
2 4 ?

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

John bought a new car. He has a habit of eating ice cream from a particular ice cream shop while returning home from office. Whenever, he eats strawberry ice cream, he faces no problem. But whenever, he eats chocolate ice cream, the car starts giving problem. At first, he thinks, it is just a co-incidence but when this awkward incident happens for 3-4 times, he reports this problem to the company.

The mechanic of the company checks but finds no problem at all. The next day, when he stops by to eat chocolate ice cream, the car again starts giving problem.

Can you find the possible reason?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?