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Select the number which can be placed at the sign of the question mark (?) from the given alternatives.
  • a)
    68
  • b)
    72
  • c)
    80
  • d)
    92
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Select the number which can be placed at the sign of the question mark...
The logic follows here is:
Middle number = square root of first number + third number.
Row-wise operation :
(25, 41, 36)
middle number = 41
= √25 + 36
= 5 + 36
= 41
(49, 45, 38)
middle number = 45
= √49 + 38
= 7 + 38
= 45
Similarly
(36, ?, 62)
middle number = ?
= √36 + 62
= 6 + 62
= 68
Hence, the correct answer is "
68"
Additional Information
The most common pattern asked in exams are based on:
  • It could be the sum of two numbers divided by a constant
  • It could be the average of numbers.
  • It could be in the form of alphabets, where alphabets are increased by constant or increased by the square of numbers or increased by prime numbers.
  • It could be the difference of product of two diametrically opposite numbers.
  • It could be the difference in the sum of adjacent numbers.
  • The difference of the numbers could be in the patterns 1
    ± 1, 2
    ± 1,  and so on.
  • The difference of the numbers could be in the patterns 1
    ± 1, 2
    ± 1, and so on.
  • Numbers could be 1
    2
    , 2
    2
    , 3
    2, 
    and so on or 1
    3
    , 2
    3
    , 3
    3, 
    and so on.
  • The difference could be prime numbers or the difference could be the square of prime numbers.
  • The difference could be in the form of N
    ± N or N
    ± N.
  • The difference could be in the form of ×N + N or ×2 + 1, ×2 + 2, ×2 + 3, and so on.
  • The difference could be in the form of ×2 ± 1 alternatively.
  • Numbers could be ×1, ×2, ×3, and so on.
     
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Select the number which can be placed at the sign of the question mark (?) from the given alternatives. a)68b)72c)80d)92Correct answer is option 'A'. Can you explain this answer?
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