Page 2 :
12. The number of terms of the A.P. 9, 17, 25, ... whose sum is 636 are, (A) (B) 2 © B, , 13. Which of the following is not an A.P. ?, (A) 13, 8,3,-2,-7,-12, , (D) 4, , (B) 10.8, 11.2, 11.6, 12, 12.4, , 12, , 5 eS, 8—, 11—,14—,17, ) 835, , , , , ©) 82,182,282, 48%, 582 eee,.17—, 14. The next term of the A.P, V27, V48, V75 . ... is, , (A) Vis (B) Ji07 (C) Ji08 @) Jia, 18. Three numbers in A.P. have sum 24, the middle term is :, , (A) -8 (B) 8 (C) 6 (D) 4, 16. For what value of p are 2p + 1, 13, Sp - 3, three consecutive terms of an A P, , (A) 2 (B) -2 «C4 (D) -4, 17. If Lith termof A.P., is 110 and 110th term is 11 and its nth term is zero, then value, , (A) 120 (B) 121 © 12 (D) 1B, 18. Which term is an A.P. : 2, - 1, -4, ........... is- 70?, , (A) 15th (B) 18th (©) 25th (D) 30th, 19. Which term of an A.P. : 21, 42, 63, ... is 210?, , (A) 9h (B) 10th (C) 12th (D) ith, 20. Which term of the A.P. 113, 108, 103, ... is the first negative term ?, , (A) 22nd term (B) 24th term (C) 26th term (D) 28th term, 21. Ifthe mth term of an A.P. is =~", hen its 8h term is, , (a) ® + o> () 2, 2. The common difference of an A.P. in which a), -a,, = - 52is:, ne on, (B) -4 (C) -3 @)3, 23. Whaat is the common difference of the A.P. in which a), - a,, = 32?, , (A) 8 ®) -8 (© 4 (D) -4, 24, The sum of all natural numbers from 1 to 100 is :, , (A) 4050 (B) 5050 (©) 6050 (D) 7050, 25. The sum of the first n terms of an A.P. is 2n? + 5n. Then its nth term is :, , (A) 4n + 3. (8) 4n-3 (© 3n-4 (D) 3n +4, 2%. MfanA.P. hasa = 1,1, = 20 and S, = 399, then value of nis :, , we (B) 32 © 8 (D) 0, , TRUE / FALSE, , Write “T’ for True statement and ‘F’ for False statement :, , 27. If i, = 6n + 5, then common difference is - 6., , 2. The number of term of the A.P. 3, 6, 9, ... 111 is 37., , 29. 1?, 22, 32,4, «are in A.P., , 30. ty) ~ typ Of the A.P. a, a + d, a + 2d, a + 3d, ... is 10d., ; "~ 5, then it forms an A.P.