Subcategories

• Week 1

  Area Consequences; Box Calculations; Counting Numbers; Seating Probability

  Day 1

  Day 2

  Day 3

  Day 4
  19
  Topics
  43
  Posts

  H

  What is the probability that you roll a dice 100 times and the running total is a multiple of 2 after every 5 turns?

• Week 2

  Magic Square; Geometric Scaling; Least Common Multiple; Counting Triangles

  Day 5

  Day 6

  Day 7

  Day 8
  28
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  82
  Posts

  H

  @debbie
  you know what?
  at first i thought it was that too but then i thought about it and then after some rough estimation i got it right.

• Week 3

  Train Times, Circling the Earth, Election Prediction, Multiplying Switches

  Day 9

  Day 10

  Day 11

  Day 12
  22
  Topics
  68
  Posts

  

  @geniusraccoon Hmmm I think its because the three gears need to be in a triangle to move, because the gears wont work one vs one on a line, you will be missing the first and the third if u use a line

• Week 4

  Polygon Angles, Telescoping Sum, Beehive Paths, Square Remainders

  Day 13

  Day 14

  Day 15

  Day 16
  15
  Topics
  38
  Posts

  F

  The question is:Screen Shot 2022-08-23 at 4.27.44 PM.png

  and what I thought was, because it's a 3x3 rectangle, to get from A to B, you'd need to go right 3 times and go down 3 times (regardless of the order). if the third row wasn't missing a segment, then the answer would be 6 choose 3 which is 20. but since there is a missing segment then my fourth move (there are six moves in total) couldn't be a go right but instead a go down. and so the number of paths would decrease by half, which is 10.

  and yet clearly, this is not the case. could anyone explain why my solution failed? thanks!!!