Multiple choice

Find a missing term in the given series. $10, 14, 28, 32, 64, 68, ?$

  1. $72$
  2. $136$
  3. $130$
  4. $70$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The series follows an alternating pattern: +4, ×2, +4, ×2, +4, ×2. Starting from 10: 10 + 4 = 14, 14 × 2 = 28, 28 + 4 = 32, 32 × 2 = 64, 64 + 4 = 68, 68 × 2 = 136. The next term is 136.

Keep practicing — related questions