As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

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

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

In the picture given below, can you find out which digit will take place of the question mark?

Which tank will fill first?

Can you replace the question mark with the correct number in the below table sequence?