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Number analogy: second = first x m + c (find m and c from two pairs)

This type of question, asked 22 times: 14 Jul 2023 S1, 19 Jul 2023 S2, 20 Jul 2023 S2, 20 Jul 2023 S4, 21 Jul 2023 S3, 24 Jul 2023 S1, 24 Jul 2023 S3, 27 Jul 2023 S3, 10 Sep 2024 S2, 10 Sep 2024 S3, 11 Sep 2024 S3, 17 Sep 2024 S2, 17 Sep 2024 S3, 18 Sep 2024 S1, 19 Sep 2024 S1, 19 Sep 2024 S2, 23 Sep 2024 S1, 23 Sep 2024 S3, 24 Sep 2024 S1, 24 Sep 2024 S3, 26 Sep 2024 S3, 26 Sep 2025 S3. All 26 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    14 Jul 2023 S1

    8
    The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number-pairs except one. Find that odd number-pair.

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  2. Question 2

    19 Jul 2023 S2

    14
    Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 15 : 52 :: 33 : ________:: 22 : 73

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  3. Question 3

    20 Jul 2023 S2

    9
    Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 4 : 25 :: 12 : 73 :: 7 : ?

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  4. Question 4

    20 Jul 2023 S4

    9
    Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 6 : 16 :: 10 : 28 :: 3 : ?

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  5. Question 5

    21 Jul 2023 S3

    13
    Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 6 : 22 :: 17 : 66 :: 4 : ?

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  6. Question 6

    24 Jul 2023 S1

    11
    Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 29 : 111 :: 72 : ? :: 36 : 139

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  7. Question 7

    24 Jul 2023 S3

    7
    Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 14 : 54 :: 21 : 82 :: 5 : ?

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  8. Question 8

    27 Jul 2023 S3

    1
    Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 19 : 34 :: 5 : 6 :: 27 : ?

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  9. Question 9

    10 Sep 2024 S2

    2
    Select the pair in which the numbers are related to each other in the same way as are the numbers in the given pairs. (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.) 12 : 25 11 : 23

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  10. Question 10

    10 Sep 2024 S3

    5
    Select the set in which the numbers are related in the same way as are the numbers of the following sets. (173, 246) (148, 196) (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)

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  11. Question 11

    11 Sep 2024 S3

    11
    Select the option in which the numbers share the same relationship as that shared by the given pair of numbers. (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.) 17 : 253 19 : 271

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  12. Question 12

    17 Sep 2024 S2

    14
    34 is related to 191 by certain logic. Following the same logic, 56 is related to 301. To which of the following is 63 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.)

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  13. Question 13

    17 Sep 2024 S2

    17
    27 is related to 119 following a certain logic. Following the same logic, 33 is related to 143. To which of the following is 42 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.)

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  14. Question 14

    17 Sep 2024 S3

    3
    Select the option in which the numbers share the same relationship as that shared by the given pair of numbers. (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.) 17 : 67 21 : 79

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  15. Question 15

    18 Sep 2024 S1

    5
    51 is related to 256 by certain logic. Following the same logic, 53 is related to 266. To which of the following is 55 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.)

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  16. Question 16

    19 Sep 2024 S1

    16
    Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 14 : 30 :: 9 : 20 :: 4 : ? (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.)

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  17. Question 17

    19 Sep 2024 S1

    21
    17 is related to 21 following a certain logic. Following the same logic, 22 is related to 36. To which of the following is 29 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.)

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  18. Question 18

    19 Sep 2024 S2

    18
    Select the option in which the numbers share the same relationship as that shared by the given pair of numbers. (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.) 13 : 55 23 : 105

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  19. Question 19

    19 Sep 2024 S2

    22
    97 is related to 49 following a certain logic. Following the same logic, 115 is related to 58. To which of the following is 133 related to, 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.)

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  20. Question 20

    23 Sep 2024 S1

    25
    Select the option in which the numbers share the same relationship as that shared by the given pair of numbers. (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.) 40 : 123 63 : 192

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  21. Question 21

    23 Sep 2024 S3

    24
    21 is related to 220 by certain logic. Following the same logic, 72 is related to 781. To which of the following is 27 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.)

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  22. Question 22

    24 Sep 2024 S1

    16
    Select the option in which the numbers share the same relationship as that shared by the given pair of numbers. (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.) 33 : 340 48 : 490

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  23. Question 23

    24 Sep 2024 S3

    11
    In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which the numbers are related in the same way as are the numbers of the following sets. (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.) (26, 114) (47, 198)

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  24. Question 24

    26 Sep 2024 S3

    3
    624 is related to 160 following a certain logic. Following the same logic, 448 is related to 116. To which of the following is 528 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.)

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  25. Question 25

    26 Sep 2024 S3

    23
    In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which the numbers are related in the same way as are the numbers of the following sets. (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.) (96, 29) (112, 33)

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  26. Question 26

    26 Sep 2025 S3

    10
    Find the missing number: 10 : 21 :: 12 : ?

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