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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#6626 2020-05-19 00:18:11

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,283

Re: Oral puzzles

Hi,

#4770. The average of four consecutive odd numbers is 6. Find the smallest of these numbers.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6627 2020-05-29 00:17:43

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,283

Re: Oral puzzles

Hi,

#4771. Ralph obtained 36, 25, 34, and 25 marks in history, geography, biology, and physics. What are his average marks?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

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