Which part of London exists in France as well ?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

what does this picture(rebus) riddle means ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

What is common among 11, 69, and 88?