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What is common among 11, 69, and 88?

What is common here




Similar Riddles

Give it food and it will live; give it water and it will die.

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Given below is simple addition with a defined pattern pattern:
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6 + 9 = 3
10 + 11 = 9

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

4 + 9 = ?

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Replace each alphabet with the number (1-9) to make the below equation correct.

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Identify the hidden meaning behind this picture?

Picture Riddle

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The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

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Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

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Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

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John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
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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.