Class 10

Math

All topics

Arithmetic Progressions

If $56 ,$ $a,4$ are in AP, the value of $a$ is

Connecting you to a tutor in 60 seconds.

Get answers to your doubts.

In an A.P., the sum of the first 10 terms is 150, and the sum of the next 10 terms is 550. Find the A.P.

Find the sum of first 25 terms of an A.P. whose nth term is $1−4n$

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

Find $n$ if the given value of $x$ is the $n_{th}$ term of the AP: $521 ,11,1621 ,22,...$ ; $x=550$.

In $A.P.$, the first term is 8, $n_{th}$ term is 33 and sum to first n terms is 123. Find n and d, the common diffirence.

In an A.P., if $a=3.5$, $d=0$, $n=101$, then $a_{n}$ will be

Find the sum of first $22$ terms of an AP in which $d=7$ and $22_{nd}$ term is $149$.

If $t_{n}$ be the $n_{th}$ term of the A.P. $−9,−14,−19,....,$ what is the value of $t_{30}−t_{20}$?