I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

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

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

Can you decipher the two rows to find the hidden word?

Spot what is wrong here in below Picture?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

The cream is heavier than Milk. True or False?

Can you find the mistake in the below statement?