Find n if the given value of x is the nth term of the given A.P (i)`25,50,75,100,....;x=1000`

Find n if the given value of x is the nth term of the given A.P (i)25,50,75,100,dots;x=1000

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

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

Find n if the given value of x is the nth term of the given A.P.5(1)/(2),11,16(1)/(2),22,quad ;x=550(ii)1,(21)/(11),(31)/(11),(41)/(11),quad ;quad x=(171)/(11)

Find the nth term of the A.P. -10, -15, -20, -25 …………..

Find the sum of n terms of an A.P.whose nth terms is given by a_(n)=5-6n

Find the 12th,24th and nth term of the A.P. given by 9,13,17,21,25,

If the nth term of the A.P.9,7,5 is same as the nth term f the A.P.15,1,9,... find n.

Find the sum of first n terms of an A.P. whose nth term is 3n+1.

Find 5^(th) terms of an A.P. whose nth term is 3n-5