Questions Asked

pythagoras123:
A circle of circumference 1 m rolls around the equilateral triangle ABC of perimeter 3 m. How many turns does the circle make as it rolls ar…
 updated 2 years ago
 8 replies
 3 Medals

pythagoras123:
Find the largest number n such that there is only one whole number that satisfies
\[\frac{8}{21}\] < \[\frac{n}{n+k}\] < \[\frac{5}{13}\]
 updated 2 years ago
 6 replies
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pythagoras123:
Test:
\[\frac{8}{21}\] < \[\frac{n}{n+k}\] < \[\frac{5}{13}\]
 updated 2 years ago
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pythagoras123:
The inhabitants of an island are either gentlemen or liars. A gentlemen always tells the truth and a liar always lies. A, B and C are three …
 updated 2 years ago
 17 replies
 7 Medals

pythagoras123:
Geometrical question: Find the value of x
(see attachment)
 updated 2 years ago
 4 replies
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pythagoras123:
When a rectangular sheet of paper with length 8 cm is folded exactly into half, the ratio of its length to its width remains unchanged. If t…
 updated 2 years ago
 4 replies
 3 Medals

pythagoras123:
The product of n whole numbers
1 x 2 x 3 x 4 x ... x (n1) x n, has twentyeight consecutive zeros. Find the largest value of n.
 updated 2 years ago
 21 replies
 2 Medals

pythagoras123:
Peter and Jane take turns subtracting perfect squares from a given whole number and the person who subtracts the last number to get zero is …
 updated 2 years ago
 10 replies
 3 Medals

pythagoras123:
See attachment:
 updated 2 years ago
 8 replies
 1 Medal

pythagoras123:
1\[\frac{5}{6}\]+\[\frac{7}{12}\]\[\frac{9}{20}\]+\[\frac{11}{30}\]\[\frac{13}{42}\]+\[\frac{15}{56}\]\[\frac{17}{72}\]+\[\frac{19}{90}\…
 updated 2 years ago
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pythagoras123:
Testing:
\[\frac{5}{6}\]
 updated 2 years ago
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pythagoras123:
There are 72 students in Grade 6.
Each of them paid an equal amount of money for their textbooks. The total amount of money collected is $…
 updated 2 years ago
 10 replies
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pythagoras123:
what benefits do animals get by occupying different parts of the pond, instead of living together in the same place? (other than decreased c…
 updated 2 years ago
 3 replies
 2 Medals

pythagoras123:
A bus was scheduled to travel from Town X to Town Y at constant speed V km/h. If the speed of the bus was increased by 20%, it could arrive …
 updated 2 years ago
 6 replies
 1 Medal

pythagoras123:
What is the difference between a rotting log community and a leaf litter community?
 updated 2 years ago
 1 reply
 2 Medals

pythagoras123:
Find the smallest number such that
i) it leaves a remainder 2 when divided by 3;
ii) it leaves a remainder 3 when divided by 5;
…
 updated 2 years ago
 8 replies
 2 Medals

pythagoras123:
A clock shows a time close to 10 o'clock. It is also noted that the number "10" on the clock, is exactly midway between the minute hand and …
 updated 2 years ago
 8 replies
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pythagoras123:
Calculation question: (see attachment)
 updated 2 years ago
 10 replies
 5 Medals

pythagoras123:
Solve this geometrical question
 updated 2 years ago
 10 replies
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