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Donya Sayah30

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last 3 solved tasks
A boy is twice as old as his sister, and half as old as their father. In 50 years, his sister will be half as old as their father. How old is the boy now?
Today my car meter reads as 72927 kms. I notes that this is a palindrome. How many minimum kms I need to travel so my car meter find another palindrome?
If 97b0c - 2a612 = 6aa92 find number abc. Multiple solutions may exist.

Dewar shows objects cooled with liquid air

In 1895, James Dewar demonstrated the intimate connection between phosphorescence and photographic action of the electric light on bodies cooled to the temperature of boiling liquid air. Presented at the Royal Institution, these experiments were reported as “very remarkable.”

Hair Color

An old man was sitting on a bench in the mall when a young man with spiked hair came over and sat down beside him. The boy's hair was yellow, green, orange, and purple. He had black makeup around his eyes. The old man just stared at him.
Finally the boy said, "what's the matter, old man, haven't you ever done anything wild in your life?"
The old man thought for a while and answered, "well yes actually, I have, I once got drunk and had sex with a parrot. I was just wondering if you were my son."  

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