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    Select the set in which the numbers are related in the same way as are the numbers of the following sets.(NOTE: Operations should he performed on the
    Question

    Select the set in which the numbers are related in the same way as are the numbers of the following sets.
    (NOTE: Operations should he performed on the whole numbers without breaking down the numbers into its constituent digits. E.g. is – 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)
    (4, 24)
    (11, 143)

    A.

    (9,102)

    B.

    (7, 42)

    C.

    (5, 40)

    D.

    (2, 8)

    Correct option is D

    Given: 
    (4, 24)
    (11, 143)
    Logic: (first number)2+(first number)×2 = second number
    or 
    1st×(2st+2)=2nd number1st \times(2st+2)= \text{2nd number}​​
    As,

    (4, 24)

    42+4×2 = 16+8 = 24

    and

    (11, 143)

    112+11×2 = 121+22 = 143

    Now, check options-

    (a) (9.102)

    92+9×2 = 81+18 = 99

    So, its not correct.

    (b) (7, 42)

    72+7×2 = 49+14 = 63

    So, its not correct.

    (c) (5, 40)

    52+5×2 = 25+10 = 35

    So, its not correct.

    (d) (2, 8)

    22+2×2 = 4+4 = 8

    So, its correct
    Thus, correct option is (d).

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