Find the next number in the sequence

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

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Move three sticks of the spiral below to form a square.

Which famous Hollywood movie name is hidden in the below rebus?

When 99 is considered higher than 100?

There was a kingdom in which the king had no heir to take over his thrown. Even the queen was dead and he himself was on the verge of dying. He thought about it and then summoned all of the teenagers. He gave one seed each to all of them and asked them to grow the plant. He announced that the one with the most beautiful plant will become the king/queen of the empire after the death of the king.

After a month, all of them were called. The king looked at all of the plants but announced the girl with an empty pot as the queen of the empire. Why?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

You bought me for dinner but never eat me. What am I?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?