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

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

What is the next shape from answers A, B, C, and D figure?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

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