Question
Find out the wrong term: 5, 27, 61, 122, 213, 340, 509
Answer: Option A
We have :I: 5 27 61 122 213 340 509II: 22 34 61 91 127 169III: 12 27 30 36 42IV:
15 3 6
; 6
Clearly, the given series becomes a triangular pattern series if each term in IV: is 6.
Again, in II: 34 must be replaced by (61 - 24) i.e., 37 and 22 by (37 - 18) i.e., 19.
Thus, in the given series, 27 is wrong and must be replaced by (5 + 19) i.e., 24.
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We have :I: 5 27 61 122 213 340 509II: 22 34 61 91 127 169III: 12 27 30 36 42IV:
15 3 6
; 6
Clearly, the given series becomes a triangular pattern series if each term in IV: is 6.
Again, in II: 34 must be replaced by (61 - 24) i.e., 37 and 22 by (37 - 18) i.e., 19.
Thus, in the given series, 27 is wrong and must be replaced by (5 + 19) i.e., 24.
Was this answer helpful ?
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