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Question

Three of the following four options are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

This question was previously asked in
SSC CGL 2024 (Tier-I) Previous Year Paper (17-Sep-2024) (Shift 3)
The correct answer is

12 – 122 – 99

The correct answer is option 1 i.e. 12 – 122 – 99.

Logic: 1st number × 2 + 3rd number = 2nd number.

1)  12 – 122 – 99 → 12 × 2 + 99 = 24 + 99 = 123 ≠ 122

2)   89 – 212 – 34 → 89 × 2 + 34 = 178 + 34 = 212

3)  23 – 84 – 38 → 23 × 2 + 38 = 46 + 38 = 84

4)  58 – 139 – 23 → 58 × 2 + 23 = 116 + 23 = 139

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Similar Questions

  1. 61 is related to 18 following a certain logic. Following the same logic, 213 is related to 38. To which of the following is 509 related, following the same logic?

    (NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.

    E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc., to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

  2. Which two numbers and two signs should be interchanged in the following equation to make it correct? 

    14 + 16 - 14 × 9 ÷ 4 = 61

  3. Which two signs should be interchanged to make the given equation correct?
    2 × 236 − 2 + 36 ÷ 72 = 200

  4. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

    _TUVTR_WU_UXVN_Y

  5. Select the triad in which the numbers are related in the same way as are the numbers of the given triads.

    (8, 9, 7), (24, 13, 35)

    (NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

  6. Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

    Statements:

    All spoons are forks.

    All forks are knives.

    No knife is a spatula.

    Conclusions:

    I. Some knives are spoons.

    II. No fork is a spatula.

    III. Some spoons are spatulas.

  7. Select the number from the given options to complete the series.

    32, 36, 44, 56, 72, ___

  8. What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘-’ are interchanged and ‘×’ and ‘÷’ are interchanged?

    125 ÷ 5 + 1809 × 9 - 14 = ?

  9. ‘RX-21’ is related to ‘UU-11’ in a certain way. In the same way, ‘PM-39’ is related to ‘SJ-29’. To which of the following is DP-17 related, following the same logic?

  10. In a certain code language, 'PUPIL' is written as '162116912' and 'PURGE’ is written as '16211875'. How will 'PURSE' be written in that language?


Important Questions from Miscellaneous Topics (SSC)

  1. XAB and XCD are two secants to a circle. If XA = 18 cm, AB = 22 cm and XC = 24 cm, then find the value of XD (in cm).

  2. In which of the following games is the ‘Baulk Line’ used?

  3. In a room, there are some chairs and some people. If on each chair, only one person is seated, then there is no chair for exactly one person. If on each chair, two persons sit, then there is one vacant chair. What is the number of chairs in the room?

  4. Which of the numbers 959250, 959230, 959285 and 959271 is divisible by 11?

  5. Choose the correct option:

    Despite being new to the wine club, Rachel quickly impressed everyone with her refined taste and deep knowledge, proving herself to be a true ______ of fine wines.
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