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Question

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure B.

This question was previously asked in
RRB ALP 2018 CBT 2 Fitter Question Paper (21-Jan-2019) (Shift 3)
The correct answer is

78

The logic followed here is:

(9 × 10) - (4 × 8) = 90 - 32 = 58

Similarly,

(15  × 10) - (9 × 8) = 150 - 72 = 78

Hence, ' 78 ' is the correct answer.

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Important Questions from Missing Number in Diagram

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

    13 108
     11 
    26 55
     9 
    ? 157
     14 
  2. In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.

    3

    11

    5

    45

    2

    4

    6

    44

    3

    7

    8

    ?

  3. In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives

    11

    2

    4

    98

    3

    6

    5

    100

    8

    9

    1

    ?

  4. In the given square, which option will replace the question mark?

    4A

    6C

    2E

    6P

    13R

    7T

    8N

    10P

    ?

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

    7

    4

    6

    927

    ?

    349

    1474

    149

    947

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