Question

1. If a3 = 8, az = 24, then al0 = ....
22 MCQ:
2. If Sn = 2n2 + 3n, then d =
(a) - 4 (b) 28 (c) 32 (d) 36
(a) 13 (b) 4 (C) 9 (d) - 2
3. If the sum of the three consecutive terms of A.P. is 48 & the product of the first and the last is 252, then d
(a) 2 (b) 3 (c) 4 (d) 16
4. If a = 2 and d = 4 then S20
(a) 600 (b) 800.) 18 (d) SO
5. Ir 3 + 5 + 7 + 9 +...up to n terms = 288, then n = ....
(a) 12 (b) 15 (c) 16 (d) 17
6. Four numbers are in A.P. and their sum is 72 and the largest of them is twice the smallest. Then the
numbers are.....
(a) 4, 8, 12, 16 (b) 12, 16, 20, 24 (c) 104, 16 (d) 2, 4, 6, 8
7. IfT. = 7 and T, = 4 then T1 = .
(a) 9 (b) 11 (c)-11 (d) 1
3. If 2k + 1, 13, 5k - 3 are three consecutive terms of A.P. then k = (a) 17 e13 (c) 4 (d) 9
9. In an AP 5, 7, 9, 11, 13, 15,....the sixth term which is prime is (a) 3 (b) 19 (c) 23 (d) 15
O. For A.P. T18 - Ts = ....
Na) d (b) 10d (c) 26d (d) 2d
5. If for A.P. T25 - T20 = 15 then d = .....
13 (b) 5 (c) 20 (d) 25
10
6: TRIANGLES​

Answer 1

Answer:

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