Question

Find the term $t_{10}$ of an A.P.
$4,9,14,....$

Answer 1

Here, first term $a=4$ and common difference $d=9-4=14-9=5$
Now, general term of an A.P. is given by

$t_n=a+(n-1)d$
$t_{10}=a+9d$
$\Rightarrow t_{10}=4+9\times 5$
$\Rightarrow t_{10}=49$