How can you make a TV, a bed, a dog, and a car liquid?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Find the number of squares in the below-given picture.

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

What has 13 hearts but no other organs?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

The centre of the third figure is empty. What digit should fit inside?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?