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Athu Cao

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Member for: 7 years
Type: Registered User
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Activity by Athu Cao

Score: 280 points (ranked #273)
Puzzles: 0
Answers: 9
Comments: 6
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Voted on: 0 puzzles, 0 answers
Gave out: 0 up votes, 0 down votes
Received: 0 up votes, 0 down votes

Following Tags

logic   mathematical   number puzzle

Recent activity by Athu Cao

0 votes
If x + x^3 + x^9 + x^27 + x^81 + x^243 gives a reminder of ax+b when divided by x^2 - 1 then what is the value of a + b?
answer Jun 6
  • algebra
  • mathematical
0 votes
What is the probability of getting five Mondays in a 31-day month?
answer May 26
  • mathematical
  • probability
0 votes
Five glasses are stacked to a height of 34 cm. Two glasses are stacked to a height of 19 cm. What is the height........
commented Apr 2
  • mathematical
0 votes
If the large square has an area of 25 cm2, what is the combined area of the small square and rectangle?
commented Mar 26
  • mathematical
  • geometry
0 votes
Find the sum of all possible product taken 2 digit at a time by using 2, 3, 4, 5 will be?
answer Jul 30, 2021
  • mathematical
0 votes
What has four eyes and a mouth?
answer Jul 30, 2021
  • riddle
  • tricky
0 votes
If 4+7+2=20, 3+4+1=10 and 5+7+5=173 then 4+8+3= ?
commented Jul 30, 2021
  • number puzzle
0 votes
What is the next number in this sequence - 5/3 ; 11/4 ; 19/5 ; 29/6 ; 41/7 ; ?
commented Jul 20, 2021
  • number puzzle
  • series
  • logic
  • mathematical
+1 vote
What number should replace the question mark? 35 - - - 16 ; 67 - - - 26 ; 19 - - - 20 ; 61 - - - 14 ; 95 - - - ?
answer May 23, 2021
  • number puzzle
0 votes
You need to solve the below pyramid brain teaser by replacing empty boxes with a number.
commented May 23, 2021
  • mathematical
  • number puzzle
0 votes
If boiling water is poured into a thick glass as well as a very thin glass, which is more likely to crack?
answer Apr 25, 2021
  • logic
0 votes
The figure is made up of 3 squares. What is the area of the shaded part of the figure?
answer Dec 14, 2018
  • geometry
  • mathematical
0 votes
What is the next term in the following series - 0; 7; 26; 63; 124; ?
answer Nov 19, 2018
  • series
  • number puzzle
  • logic
0 votes
Study the pattern and find the next number in this series - 14, 28, 20, 40, 32, 64, ?
answer Nov 17, 2018
  • number puzzle
  • series
  • logic
...