What is the word or phrase?

Which part of London exists in France as well ?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can you divide the below-given shape into four equal and identical pieces?

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

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?