If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

Why do you find that most of the buildings are deprived of the 13th floor?

Which alphabet is a part of our body?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

how come the second man dies?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.