Find the next number in the series below

21 32 54 87 131 ?

Which part of London exists in France as well ?

What is common among 11, 69, and 88?

There is a place where if I stand up straight, I will still be considered sideways.

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

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

How Come ??

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?