Identify the hidden meaning behind this picture?

What does below pictogram mean?

81 x 9 = 801. What must you do to make the this equation true?

Identify Me

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

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

How many letters are in the alphabet?

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?

What word does this rebus represent?

meta meta
meta meta

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?