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Sum of First n Terms of an AP

Class

Class 10th

Exams

CBSE Class X
AIEEE
AMU
AP EAPCET
AP POLYCET
BITSAT
Bihar Board X
EAMCET
J & K CET
JEE Advanced
JEE Main
KEAM
UP Board X
WBJEE

Years

2026

Subjects

Mathematics

Books

NCERT Mathematics Textbook for Class 10

Chapters

Arithmetic Progressions

Topics

Sum of First n Terms of an AP
Algebraic Methods of Solving a Pair of Linear Equations
Area of a Triangle - by Heron’s Formula
Areas Related to Circles
Areas of Sector and Segment of a Circle
Arithmetic Progression
Arithmetic Progression
Circles
Co-ordinate Geometry
Coordinate Geometry
Criteria for Similarity of Triangles
Distance Formula
Distance between point and line
Geometrical Meaning of the Zeroes of a Polynomial
Geometry
Graphical Method of Solution of a Pair of Linear Equations
Heights and Distances
Introduction to Trigonometry
Irrational Numbers
LCM and HCF
Linear Equations
Linear Equations in two variables
Mean of Grouped Data
Mean, median, mode and standard deviation
Median of Grouped Data
Mensuration
Mode of Grouped Data
Nature of Roots
Number Systems
Number of Tangents from a Point on a Circle
Pair of Linear Equations in Two Variables
Parallel Lines
Polynomials
Prime and Composite Numbers
Probability
Properties of a Parallelogram
Quadratic Equations
Ratio
Real Numbers
Relationship between Zeroes and Coefficients of a Polynomial
Revisiting Irrational Numbers
Section Formula
Similar Figures
Similarity of Triangles
Solution of a Quadratic Equation by Factorisation
Some Applications of Trigonometry
Some Problems on HCF and LCM
Statistics
Surface Area of a Combination of Solids
Surface Areas and Volumes
Tangent to a Circle
The Fundamental Theorem of Arithmetic
Time and Work
Triangles
Trigonometric Identities
Trigonometric Ratios
Trigonometric Ratios of Some Specific Angles
Trigonometry
Volume of a Combination of Solids
frequency distributions
nth Term of an AP

List of top Mathematics Questions on Sum of First n Terms of an AP asked in CBSE Class X

The first and the last terms of an AP are 17 and 350 respectively. If the common difference is 9, how many terms are there and what is their sum?

CBSE Class X
Mathematics
Sum of First n Terms of an AP

The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference.

CBSE Class X
Mathematics
Sum of First n Terms of an AP

How many terms of the AP : 9, 17, 25, ..... must be taken to give a sum of 636?

CBSE Class X
Mathematics
Sum of First n Terms of an AP

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