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Question

Find the wrong term of the series :
320,254,200,155,122,100,89

A
155
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B
320
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C
254
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D
200
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Solution

The correct option is D 200
Here, the difference between the two numbers is as 66, 55, 44, 33, 22 and 11.
Clearly, 254 - 55 = 199.
So, 200 is the wrong term.
Hence, option (D) is the correct answer.

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