Can you solve below mathematical equation?

2^1234 - 2^1233

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

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

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

What number should come in place of the question mark below?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

What is the riddle which can be asked all day with a different correct answer each time.

What do you answer even though it never asks you questions?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?