Elementary Brain Teaser




What is Next?


What is the next number in the sequence 10, 4, 3, 11, 15 and why?

A) 14
B) 1
C) 17
D) 12


Correct Solutions:


  1. Jamie Orr. Geneva ES, Geneva, FL
  2. Robby Hunn. Geneva ES, Geneva, FL
  3. Lia Mahabir. Colton School, Spring Valley, NY
  4. Chrissy Luu. Colton School, Spring Valley, NY
  5. Kendra Yapyapan. Colton School, Spring Valley, NY
  6. Amanda Haller. Walnut Creek MS, Erie, PA
  7. Nadege Dorcelly. Colton School, Spring Valley, NY
  8. Desiderio Britton. Rainbow ES, Winter Springs, FL
  9. Melinda McCray. South Conway ES, Conway, SC
  10. Nicole Touzel. South Conway ES, Conway, SC
  11. Rex Godsey. Newport ES, Crosby, TX
  12. Leah Muller. Trafton Academy, Hammond, LA
  13. Kasey DeDad. Walnut Creek MS, Erie, PA
  14. Erica Blake. Walnut Creek MS, Erie, PA
  15. Vanessa Pattillo. Rainbow ES, Winter Springs, FL
  16. Vincent Raley. Rainbow ES, Winter Springs, FL
  17. Olivia Clukey, Laura Richards ES, Gardiner, ME
  18. David Dellatto. Rainbow ES, Winter Springs, FL
  19. Eric Konczal. Rainbow ES, Winter Springs, FL
  20. Meagen Hall. Rainbow ES, Winter Springs, FL
  21. Aubrey Wingo. Rainbow ES, Winter Springs, FL
  22. Illania Nelson. Rainbow ES, Winter Springs, FL
  23. Kim Fitzgerald. Rainbow ES, Winter Springs, FL
  24. Warren Forsythe. Rainbow ES, Winter Springs, FL
  25. Sophie Alesna. Colton School, Spring Valley, NY
  26. Stephanie Menendez. Norcross ES, Norcross, GA
  27. Kevin Schein. Rainbow ES, Winter Springs, FL
  28. Tyler Hall. Wolcott St. School, LeRoy, NY
  29. Oleg Fortun. Colton School, Monsey, NY
  30. Vinnie Lorenzo. Richland ES, Johnstown, PA
  31. Ben Hedberg. Madison Avenue ES, El Cajon, CA





Previous Problems