Elementary Mathematics • Topic Practice Hub
Arithmetic Progression (ADRE Questions & PYQ Solutions)
Practice official ADRE solved questions and previous year paper sets for Arithmetic Progression. Includes step-by-step solutions and explanations. Explore 1 questions collected from official SLRC ADRE Grade 3 & Grade 4 papers.
Total MCQs
1
Official PYQs
1
Subject
Elementary Mathematics
Format
Bilingual MCQs
Solved MCQs & Official Answer Explanations
ADRE 2024 • 2024 Paper 1Question 1
The sum of the odd numbers 1, 3, 5, . . . . . upto 15 terms is:
A.225 ✓ (Correct)
B.125
C.169
D.196
Explanation: The sum of the first $n$ odd natural numbers is given by $n^2$. For $n = 15$, Sum = $15^2 = 225$.
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