What number comes next in the series?

5 15 5 18 5 24 14 20 _

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

Can you place three balls such that the equation shown in the picture holds true?

Can you find the six hidden animals in the picture below?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

Which point will the car reach to go out?

Can you count the number of blocks in the picture below?

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

ST ND RD TH '?'

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.