Find the next terms in the series :

7, 1, 11, 5, 15, 9, ,

19, 13

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12, 18

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13, 19

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15, 12

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Solution

The correct option is A 19, 13
The correct option is (c).

If we observe the series then we can find :

For odd terms governing pattern is in the form: 4x + 3
For even terms governing pattern is in the form: 4x - 3

Hence the 7th term = 4(4) + 3 = 19
and the 8th term = 4(4) - 3 = 13

Answer = 19, 13

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Similar questions

(A) Find the sum of the following finite series

(a) 1 + 6 + 11 + 16 + ………+ 96

(b) 1 + 4 + 7 + ……..+ 73

(B) Find the number of terms in the following series if

(a) 3 + 5 + 7 + ……..= 624

(b) 15 + 12 + 9 + 6 + ……..−90

1, 3, 7, 15, 31, . . . . . . .

3, 5, 7, 10, 11, 15, 15, 20,

3, 5, 7, 9, 11, . . . . . . . . . .

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