What word is represented by this rebus?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Replace the question mark in the picture below.

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

How can you make number one disappear by adding something to it?