# Arithmetic progression - practice problems

Arithmetic Progression is just a sequence of numbers so that the common difference of any two consecutive numbers is a constant value.Formula for n-th member is:

$a_{n}=a_{1}+(n−1)⋅d$

Sum of n AP members:

$s_{n}=n⋅2a_{1}+a_{n} $

#### Number of problems found: 352

- Insert 4

Insert three arithmetic means between 3 and 63. - Multiples of eight

Find the sum of the first 25 multiples of 8. - Sequence:

Sequence: 4,10,40,400,16,000,______, ________ Find these two members. - Calculate

Calculate the sum of all three-digit natural numbers divisible by five. - Sum 1-6

Find the sum of the geometric progression 3, 15, 75,… to six terms. - Find next member

Find x if the numbers from a GP are 7, 49, and x. - Missing term 2

What is the missing term for the Geometric Progression (GP) 3, 15, 75,__, 1875? - 10th term

What is the 10th term of the Arithmetic Progression if x1=4 and d=5? - Geometric progression

Fill 4 numbers between 4 and -12500 to form a geometric progression. - What is 24

What is the sum of numbers between 20 and 40? - HP - harmonic progression

Determine the 10th term of the harmonic progression 6,4,3,… - AS - sequence

What are the first ten members of the sequence if a11=22, d=2? - Tenth member

Calculate the tenth member of the geometric sequence when given: a_{1}=1/2 and q=2 - Sequence 3

Write the first 5 members of an arithmetic sequence: a_{4}=-35, a_{11}=-105. - Determine 2840

Determine the first twelve members of the sequence if a13 = 95, d = 17 - AP sequence

Identify the 11th term in the pattern using the rule: Starting number 4 and Add 16. - Negative difference

Find four arithmetic progression members between 7 and -6. - Find the mean

Find the number between 13 and 29. - Sum of odd numbers

Find the sum of all odd integers from 13 to 781. - AP terms

What are the four terms of arithmetic progression between numbers 4 and 19?

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