Solve the equation in the image by looking at the pattern closely.

You can hear me, but you can't touch or see me.

What am I?

What occurs twice in a week, once in a year but never in a day?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

How is a fly different from a mosquito?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

I don't get anymore wetter, no matter how much rain falls on me.