What is black when you buy it, red when you use it, and gray when you throw it away?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Find the 8 in the below-given Image.

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

In the given picture, in how many ways can you read the word "Tiger"?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?