The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

My location can be determined by the below rebus.
So where am i ?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

If two's company, and three's a crowd, then whats four and five ?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?