Puzzle 645
Can you complete this sentence using words which are anagrams of each other?
Only the ? students could solve the hard ? equation.
Puzzle Copyright © Kevin Stone
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Hint
Both words begin with the letter B.
Answer
Brainy and binary.
Puzzle 646
What number completes this sequence:
4 · 15 · 14 · 11 · 5 · ?
Puzzle Copyright © Kevin Stone
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Hint
Think of the alphabet.
Answer
25 for Y.
These are the positions of the letters of the alphabet, and they are spelling Donkey.
Puzzle 647
What comes next in this sequence:
boron · carbon · nitrogen · oxygen · ?
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Hint
The first in the list would be Hydrogen.
Answer
Fluorine.
These are the elements in atomic number order.