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

I travel all around the world but always stay in the corner. What am I?

What kind of band never plays music?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

A devotee visits 9 temples when he visits India. All these nine temples have one thing in common - there are 100 steps in every temple. The devotee puts the Re.1 coin after climbing up every step. He does the same while climbing down every step. At each temple, the devotee offers half of his money from his pocket to god. In this way, his pocket becomes empty after he visits the 9th temple.

Can you calculate the total amount he had initially?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

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 = ?

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?