Find the common difference of the A.P. and write the next two terms: `51 ,\ 59 ,\ 67 ,\ 75 ,\ dot` (ii) `75 ,\ 67 ,\ 59 ,\ 51 ,\ ddot` (iii) `1. 8 ,\ 2. 0 ,\ 2. 2 ,\ 2. 4 ,\ dot`

Find the common difference of the A.P. and write the next two terms: 0,1/4,1/2,3/4,\ (ii) 119 ,\ 136 ,\ 153 ,\ 170 ,\

Write the common difference of an A.P. the sum of whose first \ \ n terms is P/2n^2+Q n

Find the common difference and write the next four terms of each of the following arithmetic progressions: 1,\ -2,\ -5,\ -8,\ (ii) 0,\ -3,\ -6,\ -9,\

Find the common difference and write the next four terms of each of the following arithmetic progressions: -1,1/4,3/2,\ (ii) -1,\ -5/6,\ -2/3,\ dot

Find n t h term of the A.P. 13 ,\ 8,\ 3,\ -2,\ dot

The first term and common difference of an A.P. are 3 and -2 respectively . Find its 6th term.

Find the sum to n term of the A.P. 5,\ 2,\ -1,\ -4,\ -7,\ dot,

For the following arithmetic progressions write the first term a and the common difference d : 0. 3 ,\ 0. 55 ,\ 0. 80 ,\ 1. 05 ,\ dot (ii) -1. 1 ,\ -3. 1 ,\ -5. 1 ,\ -7. 1 ,\ dot

Find a_(30)-a_(20) for the A.P. -9,\ -14 ,\ -19 ,\ -24 ,\ dot (ii) a ,\ a+d ,\ a+2d ,\ a+3d ,\ ddot

Which of the following are A.P.'s ? If they form an A.P., find the common difference 'd' and write three more terms : (i) -10, -6, -2, 2, ..... " " (ii) 3, 3+sqrt(2), 3+2sqrt(2), 3+3sqrt(2), ... (iii) 0, -4, -8, -12, .... " " (iv) a, 2a, 3a, 4a, ..... (v) sqrt(3), sqrt(6), sqrt(9), sqrt(12), .....