What word does this rebus represent?

meta meta
meta meta

What is next number in the pattern below:

131 517 192 123 ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Find the smallest sentence with all the English alphabet.

What is more useful when it is broken?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?