Apt Series Patterns — Free Aptitude Tutorial
Learn Apt Series Patterns in Aptitude with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
TL;DR: Learn Apt Series Patterns in Aptitude with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
Apt Series Patterns in Aptitude
Arithmetic Series (AP): Common difference is constant. n-th term = a + (n-1)d. Sum = n/2 × (2a + (n-1)d).
Geometric Series (GP): Common ratio is constant. n-th term = a × r^(n-1). Sum = a(r^n - 1)/(r-1).
Difference series: Find differences between terms, then look for pattern in differences.
Square/Cube series: 1,4,9,16... or 1,8,27,64... Check if terms are perfect squares/cubes.
Mixed series: May combine addition with multiplication, or alternate two rules.
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