Sequences & Series

The 5th term of the sequence $3,7,11,\dots$ is ...

The common difference of the sequence $5,9,13,17,\dots$ is ...

The common ratio of the geometric sequence $2,6,18,\dots$ is ...

Given $U_n=2n+1$, the first term of the sequence is ...

The sum of the first 3 terms of $2,4,6,\dots$ is ...

Given $U_n=4n-1$, the 5th term is ...

An arithmetic sequence with $a=2$ and $b=3$. The 10th term is ...

The 8th term of the sequence $4,7,10,\dots$ is ...

The sum of the first 10 terms of an arithmetic series with $a=3$ and $b=2$ is ...

A geometric sequence with $a=1$ and $r=2$. The 6th term is ...

The sum of the first 5 terms of $1+2+4+\dots$ is ...

The formula for the n-th term of $3,8,13,\dots$ is ...

In an arithmetic sequence $U_3=11$ and $U_7=27$. The common difference is ...

The sum of all multiples of 3 from 1 to 30 is ...

A geometric sequence with $U_2=6$ and $U_5=48$. The 7th term is ...

The sum of the first 20 terms of $5+8+11+\dots$ is ...

The sum of the infinite geometric series with $a=8$ and $r=\frac{1}{2}$ is ...

The sum of the first n terms of a series is $S_n=n^2+3n$. Its 5th term is ...

A geometric sequence with $U_2=12$ and $U_4=108$. Its common ratio is ...

A ball is dropped from $10\text{m}$ and bounces back to $\frac{3}{4}$ of its previous height. The total distance the ball travels before stopping is ...