There are $15$ terms in an arithmetic progression. Its first term is $5$ and their sum is $390$. The middle term is
There are $15$ terms in an arithmetic progression. Its first term is $5$ and their sum is $390$. The middle term is
- A
$23$
- B
$26$
- C
$29$
- D
$32$
Similar Questions
Write the first five terms of the sequences whose $n^{t h}$ term is $a_{n}=n \frac{n^{2}+5}{4}$
Write the first five terms of the sequences whose $n^{t h}$ term is $a_{n}=n \frac{n^{2}+5}{4}$
The sum of $n$ arithmetic means between $a$ and $b$, is
The sum of $n$ arithmetic means between $a$ and $b$, is
Find the sum of odd integers from $1$ to $2001 .$
Find the sum of odd integers from $1$ to $2001 .$
If $n$ be odd or even, then the sum of $n$ terms of the series $1 - 2 + $ $3 - $$4 + 5 - 6 + ......$ will be
If $n$ be odd or even, then the sum of $n$ terms of the series $1 - 2 + $ $3 - $$4 + 5 - 6 + ......$ will be
The sum of the series $\frac{1}{2} + \frac{1}{3} + \frac{1}{6} + ........$ to $9$ terms is
The sum of the series $\frac{1}{2} + \frac{1}{3} + \frac{1}{6} + ........$ to $9$ terms is