I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you find a five letter word that is left with only two letters if one is removed?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Name a key which is hardest to turn.

Which city is three-fifths chick two third cat and 50% goat?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What number should come in place of the question mark below?