Number Series Practice Question and Answer

Q:

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

23                32          16

3                 4              5

72              132         ?

1280 1

  • 1
    85
    Correct
    Wrong
  • 2
    80
    Correct
    Wrong
  • 3
    88
    Correct
    Wrong
  • 4
    162
    Correct
    Wrong
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Answer : 1. "85"

Q:

Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.
97 : 2 :: 63 : ? :: 74 : 3 

1127 0

  • 1
    9
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 3. "3"

Q:

Which number from the options will replace the question mark (?) in the following series?
 3, 13, 53, 213, ?

433 0

  • 1
    942
    Correct
    Wrong
  • 2
    853
    Correct
    Wrong
  • 3
    640
    Correct
    Wrong
  • 4
    1065
    Correct
    Wrong
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Answer : 2. "853"

Q: What is the next number in the following number series 3, 5, 8, 15, 28, 51, ? 1796 0

  • 1
    98
    Correct
    Wrong
  • 2
    102
    Correct
    Wrong
  • 3
    87
    Correct
    Wrong
  • 4
    79
    Correct
    Wrong
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Answer : 1. "98"
Explanation :

Answer: A) 98 Explanation: The given number series is  3, 5, 8, 15, 28, 51, ? Here the pattern it follows is 3 3 + 2 = 5 ( add prime number less than 3 i.e, 2) 5 + 3 = 8 (3 is prime number less than 5) 8 + 7 = 15 (7 is prime number less than 8) 15 + 13 = 28 (13 is prime number less than 15) 28 + 23 = 51 (23 is prime number less than 28) 51 + 47 = 98 (47 is prime number less than 51)   Hence, the next number in the given number series is 98.

Q: Guess which number should be replaced by the "?" in the given series 0,10,1110,3110,132110,? 1304 0

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Answer :
Explanation :

1113122110 In given series 2nd number gives number of  which digits present in the 1st number and so on continues for 3rd ,4th,... Here 1st no. has only one zero, so  2nd no. is 10 and 2nd no. has one 1 and one 0,so 3rd no. is 1110, so like that 5th no. has one 1,one 3,one 2,two 1's and one 0.So the next no. is 1113122110.

Q:

What comes next in the series?
765, 642, 519, 396, 273 ?

2433 0

  • 1
    210
    Correct
    Wrong
  • 2
    187
    Correct
    Wrong
  • 3
    150
    Correct
    Wrong
  • 4
    134
    Correct
    Wrong
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Answer : 3. "150 "

Q:

The series given below contains a sequence of numbers. Ident ifythe incorrect combination.
2, 15, 41, 80, 134

575 0

  • 1
    41
    Correct
    Wrong
  • 2
    134
    Correct
    Wrong
  • 3
    80
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 2. "134"

Q:

Which number will replace the question mark (?) in the following number series?
 5, 4, 6, 15, 56, ?

511 0

  • 1
    195
    Correct
    Wrong
  • 2
    200
    Correct
    Wrong
  • 3
    275
    Correct
    Wrong
  • 4
    330
    Correct
    Wrong
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Answer : 3. "275"

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