Problem of the day for Thursday, May 17

Yesterday's problem

May 15 hints and answers

A multiple-choice question: What is the value of

66 + 66 + 66 + 66 + 66 + 66 ?

  • (A) 66
  • (B) 67
  • (C) 366
  • (D) 636
  • (E) 3636


  • Don't rush to judgment on this one!

As always, be sure to explain the work you did to arrive at your answers!