8
Q:

311, 230, 294, ?, 281, 256

 

What will come in place of the question mark (?) in the above number series?

A) 240 B) 245
C) 244 D) 246

Answer:   B) 245



Explanation:

Given 311   230   294   ?   281   256

 

311 - (9x9) = 230

 

230 + (8x8) = 294

 

294 - (7x7) = 245

 

245 + (6x6) = 281

 

281 - (5x5) = 256

 

Hence, the missing number in the given series is 245.

Subject: Odd Man Out
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk
Q:

Find out the wrong number in the given sequence of numbers.

36, 54, 18, 27, 9, 18.5, 4.5

A) 4.5 B) 18.5
C) 54 D) 18
 
Answer & Explanation Answer: B) 18.5

Explanation:

The terms are alternatively multiplied by 1.5 and divided by 3. However, 18.5 does not satisfy it.

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33 41723
Q:

Find out the wrong number in the given sequence of numbers.

6, 13, 18, 25, 30, 37, 40

A) 25 B) 30
C) 37 D) 40
 
Answer & Explanation Answer: D) 40

Explanation:

The differences between two successive terms from the beginning are 7, 5, 7, 5, 7, 5.

So, 40 is wrong.

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29 34467
Q:

Find out the wrong number in the given sequence of numbers.

582, 605, 588, 611, 634, 617, 600

A) 634 B) 611
C) 605 D) 600
 
Answer & Explanation Answer: A) 634

Explanation:

Alternatively 23 is added and 17 is subtracted from the terms. So, 634 is wrong.

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47 56757
Q:

Find out the wrong number in the given sequence of numbers.

5, 16, 6, 16, 7, 16, 9

A) 9 B) 7
C) 6 D) None of these
 
Answer & Explanation Answer: A) 9

Explanation:

Terms at odd places are 5, 6, 7, 8 etc. and each term at even place is 16.

So, 9 is wrong.

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19 35129
Q:

Find the odd man out.

253, 136, 352, 324, 631, 244

A) 324 B) 136
C) 352 D) 631
 
Answer & Explanation Answer: A) 324

Explanation:

The Sum of the digits in each number, Except 324 is 10.

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38 44927
Q:

Find the odd man out.

331, 482, 551, 263, 383, 362, 284

A) 263 B) 383
C) 331 D) 551
 
Answer & Explanation Answer: B) 383

Explanation:

In each number except 383, the product of first and third digits is the middle one.

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62 65137
Q:

Find the odd man out.

6, 9, 15, 21, 24, 28, 30

A) 28 B) 21
C) 24 D) 30
 
Answer & Explanation Answer: A) 28

Explanation:

Each of the numbers except 28, is a multiple of 3.

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83 106031
Q:

Find out the wrong number in the series.

7, 8, 18, 57, 228, 1165, 6996

A) 8 B) 18
C) 57 D) 228
 
Answer & Explanation Answer: D) 228

Explanation:

Let the given numbers be A, B, C, D, E, F, G.

Then, A, A x 1 + 1, B x 2 + 2, C x 3 + 3, D x 4 + 4, E x 5 + 5, F x 6 + 6 are the required numbers.

Clearly, 228 is wrong.

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33 41903