Multiple choice

Find the missing term in the following number series- 1 \quad 7 \quad ? \quad 319 \quad 5124 \quad 163993

  1. 42

  2. 40

  3. 36

  4. 38

  5. 35

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pattern: (1²)×7-0=7, (7²)×1-11=38, (38²)×0.25-22=319, (319²)×0.0625-77≈5124, (5124²)×0.015625-411≈163993. The multipliers decrease as 1/1, 1/1, 1/4, 1/16, 1/64. The subtraction increases. Missing term is 38, which matches Option D.