Which part of London exists in France as well ?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

If your uncle’s sister is not your aunt, what relation is she to you?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Which word does the below Plexor means ?

A sundial has the fewest moving parts of any timepiece. Which has the most?