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Puzzles answered 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
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What is the probability of getting five Mondays in a 31-day month?
answer May 26
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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
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What has four eyes and a mouth?
answer Jul 30, 2021
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What number should replace the question mark? 35 - - - 16 ; 67 - - - 26 ; 19 - - - 20 ; 61 - - - 14 ; 95 - - - ?
answer May 23, 2021
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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
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The figure is made up of 3 squares. What is the area of the shaded part of the figure?
answer Dec 14, 2018
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What is the next term in the following series - 0; 7; 26; 63; 124; ?
answer Nov 19, 2018
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Study the pattern and find the next number in this series - 14, 28, 20, 40, 32, 64, ?
answer Nov 17, 2018
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