420 views
What occurs once in a minute, twice in a moment, but never in a thousand years?
6 months ago
Questions & Answers
505 views
A prisoner must choose between two doors: one leads to freedom, the other to death. Two guards: one always lies, one alw...
6 months ago
396 views
Two fathers and two sons go fishing; they catch three fish and each gets one. How?
6 months ago
320 views
A man is 24 and his son is 6. In how many years will the father be twice as old as the son?
6 months ago
516 views
A farmer wants to cross a river with a wolf, a goat, and a cabbage. He can take one at a time; wolf can’t be left with g...
6 months ago
379 views
What gets wetter the more it dries?
6 months ago
552 views
You enter a room with a match, an oil lamp, a candle, and a fireplace. What do you light first?
6 months ago
523 views
A man looks at a portrait and says, “I have no brothers or sisters, but that man’s father is my father’s son.” Who is in...
6 months ago
468 views
Arc length of that 72° sector (radius 10)?
6 months ago
400 views
Area of a sector with radius 10 and central angle 72°?
6 months ago
493 views
A regular polygon has each interior angle 120°. How many sides?
6 months ago
536 views
How many lines of symmetry does a regular hexagon have?
6 months ago
238 views
Volume of a cone with radius 6 and height 9?
6 months ago
186 views
Surface area of that sphere?
6 months ago
469 views
Volume of a sphere with radius 4?
6 months ago
445 views
Total surface area of that cylinder?
6 months ago
546 views
Volume of a cylinder with radius 3 and height 10?
6 months ago
440 views
What is the area of a rhombus with diagonals 10 and 24?
6 months ago
467 views
What is the diagonal of a 9 × 12 rectangle?
6 months ago
561 views
In a regular polygon, if each interior angle is 150°, how many sides does it have?
6 months ago