Square Root 12345678987654321

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




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A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

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Spot 5 differences in two Christmas tree below:

Christmas Tree

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Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

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What has many keys but can’t open a single lock?

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I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

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Until it is measured, not known. Yet how you miss it when it has gone. What is it?

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What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Teaser Puzzle

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Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

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You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

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Can you find the odd number in the following?

2716, 4135, 5321 and 7145

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.