4800, 2400, 600, 100, 12.5, ?
Find the missing number in the following number series.
Correct Answer :
1.25
Solution :
The correct option is 1.25.
To find the missing number in the given series, let us analyze the pattern or relationship between consecutive terms:
Observing the pattern, each term is obtained by dividing the previous term by consecutive even numbers (2, 4, 6, 8, ...).
Therefore, to find the next term (?), we need to divide 12.5 by 10:
Thus, the missing number in the series is 1.25.
Access expert-curated educational resources and study materials—completely free.
Create, conduct, and manage professional online assessments with Mindyard. Perfect for teachers and institutes.
Copyright © 2026 Mindyard. All Rights Reserved.