Find the sum of first $n$ even natural numbers.

Important Questions on Arithmetic Progressions

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>FOR ASSESSMENT>Q 15

If the sum of $p$ terms of an A.P. is $a{p}^2+bp$, then find the common difference.

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>FOR ASSESSMENT>Q 16

If the sum of $n$ terms of an A.P. is $S_n=3n^2+5n$. What is the common difference?

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>FOR ASSESSMENT>Q 17

If $l=8, n=8, S_8=-20$, what is $a$ and $d$?

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>FOR ASSESSMENT>Q 18

Find the arithmetic mean of $4$ and $6$.

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>FOR ASSESSMENT>Q 19

Find the arithmetic mean between $3.5$ and $5.7$.

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>FOR ASSESSMENT>Q 20

Find $A_1+A_2$ when $A_1$ and $A_2$ are two A.M's between $a$ and $b$.

EASY

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>FOR ASSESSMENT>Q 1

The sequence $3,3,3,3,\dots ..$ is an A.P. 

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 5 - Arithmetic Progressions>FOR ASSESSMENT>Q 2

If $S_n$ of a sequence $\left\{a_n\right\}$ is $7n^3+8n$, then $\left\{a_n\right\}$ is an A.P.