1) If x+1, 3x and 4x+1 are in AP , find the value of x. a) 3 b) 18 c) 2 d) 7 2) Find whether 0 is a term of the AP 40, 37, 34, 31. a) Yes b) No 3) If the nth term of the AP 9,7,5,... is the same as the nth term of the AP 15,12,9,..., find n. a) 5 b) 10 c) 7 d) 4 4) If the sum of 3 consecutive terms of an increasing AP is 51 and the product of the first and third term is 273 then the third term is a) 13 b) 9 c) 21 d) 17 5) The 4th term from the end of the AP -11, -8, -5, .....49 is a) 37 b) 40 c) 43 d) 58 6) What is the value of a 30 -a 10 for the AP 4, 9, 14, 19,.... a) 110 b) 100 c) 120 d) 130 7) For what value of k will the consecutive terms 2k+1, 3k+3 and 5k-1 form an AP ? a) 8 b) 10 c) 7 d) 6 8) For what value of k will the consecutive terms 2k+1, 3k+3 and 5k-1 form an AP ? a) 8 b) 10 c) 7 d) 6 9) For what value of k will the consecutive terms 2k+1, 3k+3 and 5k-1 form an AP ? a) 8 b) 10 c) 7 d) 6

arithmetic progressions activity

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