Ifa,`1/b,q,1/r` form two arthimatic progression of the same common difference, then a,q,c are in A.P. If

If a ,1/b ,a n d1/p ,q ,1/r from two arithmetic progressions of the common difference, then a ,q ,c are in A.P. if p ,b ,r are in A.P. b. 1/p ,1/b ,1/r are in A.P. c. p ,b ,r are in G.P. d. none of these

The first term of an arithmetic progression is uinty and the common difference is 4. Which of the following will be a term of this A.P..................... .

The first term of an arithmetic progressions is unity and the common difference is 4. Which of the following will be a term of this A.P.

Which of the following sequence are Arithmetice progression ? If it is an A.P. then write common difference. -1, (-3)/(2) , -2, -5/2 , ……

Which of the following sequence are Arithmetice progression ? If it is an A.P. then write common difference. 31,26,21,15,….

Which of the following sequence are Arithmetice progression ? If it is an A.P. then write common difference. 0,1,0,1,0,1,…

Which of the following sequence are Arithmetice progression ? If it is an A.P. then write common difference. -10,-13,-16,-19,…

If the sum of n terms of an A.P. is given by S_n=a+b n+c n^2, w h e r ea ,b ,c are independent of n ,t h e n a=0 common difference of A.P. must be 2b common difference of A.P. must be 2c first term of A.P. is b+c