7
Q:

Which fraction comes next in the sequence

23, 13, 527, 781, ?

A) 1/27 B) 11/278
C) 9/48 D) 7/123

Answer:   A) 1/27



Explanation:

Clearly, the numerators of the fractions in the given sequence follow the series of 2, 3, 5, 7,... and the denominator follows 3, 9, 27, 81, 243, ...
Then, the next term in the given sequence is  935 = 9243 = 127 .

Q:

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

312      231      295      ?      282      257

A) 210 B) 25
C) 246 D) 279
 
Answer & Explanation Answer: C) 246

Explanation:

The series follows a pattern that,

-92, +82, -72, +62, -52

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19 2230
Q:

Whether the last number 240 in the following series is according to the remaining numbers pattern ?

2, 4, 12, 48, 240

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

The given series follows,


2


2 x 2 = 4


4 x 3 = 12


12 x 4 = 48


48 x 5 = 240.

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17 1168
Q:

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

6859       5832     ?      4096     3375

A) 4589 B) 4913
C) 5013 D) 5169
 
Answer & Explanation Answer: B) 4913

Explanation:

The given series follows a pattern that,

19 x 19 x 19 = 6859

18 x 18 x 18 = 5832

17 x 17 x 17 = 4913

16 x 16 x 16 = 4096

15 x 15 x 15 = 3375

So, the missing number in the given series = 4913  

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26 2294
Q:

What should come in place of question mark (?) in the following number series?

 132       156       ?         210          240          272 

A) 196 B) 182
C) 199 D) 204
 
Answer & Explanation Answer: B) 182

Explanation:

The given series follows a logic that

11 x 12, 12 x 13, 13 x 14, 14 x 15, 15 x 16,...

So the missing number is 13 x 14 = 182

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26 6280
Q:

Complete the number series given below ?

13        19       37      ?         141        243

A) 58 B) 67
C) 75 D) 96
 
Answer & Explanation Answer: C) 75

Explanation:

The given series follows the pattern that

exp.

So the missing number is  37 + 38 = 75

75 + 66 = 141

....

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25 2088
Q:

What will come in the place of the (?) in the following number series ?

5 14 45 130 (?) 1182

A) 222 B) 397
C) 404 D) 415
 
Answer & Explanation Answer: B) 397

Explanation:

The pattern of given series is :

5

14 = (5x3) - 1

45 = (14x3) + 3

130 = (45x3) - 5

(?) = (130x3) + 7

=> (?) = 397

1182 = (397x3) - 9

Thus, the missing number is 397.

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11 1806
Q:

Find the missing number in the given series :

1  4  27  '?'  3125  46656

A) 125 B) 625
C) 404 D) 256
 
Answer & Explanation Answer: D) 256

Explanation:

It follows the rule that

1 2x2  3x3x3  4x4x4x4   5x5x5x5x5  ...

So the missing number is 4x4x4x4 = 256.

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12 1873
Q:

Find the wrong number in the given series :

26, 20, 16, 11, 8, 6, 5

A) 5 B) 26
C) 11 D) 16
 
Answer & Explanation Answer: D) 16

Explanation:

26 - 6 = 20

20 - 5 = 15

15 - 4 = 11

11 - 3 = 8

8 - 2 = 6

6 - 1 = 5

Therefore, 16 is wrong number.

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15 1983