For what value of `n` the `n^(t h)` terms of the following two A.Ps the same? (i)`1,7, 13 , 19 ,..` (ii) `69 ,68 ,67... ,`

For what value of n , the n^(t h) terms of the following two A.Ps are the same? 1,7, 13 , 19 , (ii) 69 ,68 ,67 ,

For what value of n, are the nth terms of two APs: 63, 65, 67, . . . and 3, 10, 17, . . . equal?

For what value of n, are the with terms of two APs: 63, 65, 67, . . . and 3, 10, 17, . . . equal?

Find the number of terms in each of the following APs : (i) 7, 13, 19, . . . , 205 (ii) 18 ,\ 15 1/2,\ 13 ,\ dot\ dot\ dot\ ,\ - 47

Sum of the following series to n term: 1+3+7+13+21+ ............

Find the indiated terms in each of the following A.P. (i) 1, 7, 13, 19 ,…, 301 , a_(10) , a_(20) (ii) a= 22 , d = - 3, a_(n) , a_(30)

Find n if the given value of x is the n t h term of the given A.P. 25 ,\ 50 ,\ 75 ,\ 100 ,\ . . . . , ;\ x=1000 (ii) -1,\ -3,\ -5,\ -7,\ ;\ \ x=-151

Write the value of n for which n t h terms of the A.P.s 3,10,17. And 63,65,67. are equal.

Write the n t h term of an A.P. the sum of whose n terms is S_n .

Find n if the given value of x is the n t h term of the given A.P. (i)5 1/2,\ 11 ,\ 16 1/2,\ 22 ,\ dot;\ \ x=550 (ii) 1,(21)/(11),(31)/(11),(41)/(11),\ ddot,\ \ \ x=(171)/(11)