Skip to main contentSkip to solution

Solution

Correct Option: 4

Series: 10.5, 7.5, ?, 3.0, 1.5, 0.5. Differences decrease by 0.5 each time: 3,2.5,2,1.5,1-3, -2.5, -2, -1.5, -1. So 7.52.5=5.07.5 - 2.5 = 5.0, giving the sequence 10.5, 7.5, 5.0, 3.0, 1.5, 0.5.

Keyboard Shortcuts

  • Left arrow: Previous question
  • Right arrow: Next question
  • S key: Jump to solution
  • Q key: Jump to question