Which term of an $A . P .2, 7, 12, 17.......$ is $137$ ?

Open in App

Solution

$T_{n} = a + (n - 1) d$

$a = 2, d = 7 - 2 = 5$

$137 = 2 + (n - 1) 5$

$135 = (n - 1) 5$

$27 = n - 1$

$n = 28$

28th term is 137

Suggest Corrections

Similar questions

213, 205, 197, . . . . . . . . . ., 137.

a_{30} - a_{20}

A . P . 2, 7, 12, 17.....

2, 7, 12, 17, . . . . . .

990

IF $a_{n}$ denotes the nth term of the AP 2, 7, 12, 17, ..., find the value of $(a_{30} - a_{20})$ .

Join BYJU'S Learning Program