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Arithmetic Progressions

Short Answer Type

211.

The 8^th term of 117, 104, 91, 78,.........

(a) 25 (b) 26 (c) 27 (d) 28

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212. The value of ‘A’ so that

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arc three consecutive terms of an AP.

left parenthesis straight a right parenthesis space 16 over 3 space space space space left parenthesis straight b right parenthesis space 16 over 15 space space space space space left parenthesis straight c right parenthesis space 16 over 33 space space space space space left parenthesis straight d right parenthesis space space 16 over 35

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213.

Which term of the sequence 114, 109, 104,.........is the first negative terms ?
(a) 24 (b) 25 (c) 26 (d) 27

1021 Views

214.

How many terms of the AP 3, 5, 7,........must be taken so that the sum is 120 ?
(a) 9 (b) 10 (c) 11 (d) 12

131 Views

215.

How many three-digit numbers arc divisible by 7?
(a) 127 (b) 128 (c) 129 (d) 130

82 Views

216.
Which term of AP; 121, 117, 113,.....is its first negative terms ?
(a) 31 (b) 33 (c) 32 (d) 34

straight a subscript straight n less than 0 rightwards double arrow 1216 plus left parenthesis straight n minus 1 right parenthesis left parenthesis negative 4 right parenthesis less than 0 comma space rightwards double arrow left parenthesis straight n minus 1 right parenthesis 4 greater than 0 rightwards double arrow 121 over 4 plus 1 rightwards double arrow straight n greater than 125 over 4 therefore space straight n greater than 31 1 fourth space space therefore space straight n space equals 32

Ans. (c)

108 Views

217.

The n^th term of AP is 7 – 4n then the common difference is
(a) 4 (b) –3 (c) –4 (d) -5

114 Views

218.

The next term of the AP.

$square root of 8 comma space square root of 18 comma space square root of 32 comma space........ space is$

72 Views

219.

The 7^th term of an AP is 32 and 13^th term is 62. The value of common difference is
(a) 4 (b) 5 (c) 6 (d) 7

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220.

Which term of the AP 3, 15, 27,39,........will be 132 more than its 54^th term ?
(a) 64^th term (b) 63^th term (c) 65^th term (d) 66^th term

101 Views

Previous Year Papers

Test Series

Test Yourself

Short Answer Type

216. Which term of AP; 121, 117, 113,.....is its first negative terms ?(a) 31 (b) 33 (c) 32 (d) 34

216.
Which term of AP; 121, 117, 113,.....is its first negative terms ?
(a) 31 (b) 33 (c) 32 (d) 34