Multiple choice

Find the missing number in the series. $1, 11, 99, 693, 3465,?$

  1. $8946$
  2. $11296$
  3. $10395$
  4. $12974$
  5. $10296$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Find the pattern: 1 × 11 = 11, 11 × 9 = 99, 99 × 7 = 693, 693 × 5 = 3465. The multipliers decrease by 2: 11, 9, 7, 5. Next multiplier is 3. 3465 × 3 = 10395.