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    Question

    In the following question, four number pairs are given.

    In each pair the number on the left side of ( - ) is related to the number of the right side of ( - ) with some Logic/Rule/Relation. Three pairs are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 21 - Operation on 21 such as adding/subtraction/division etc. to 21 can be performed. Breaking down 21 into 2 and 1 and then performing mathematical operations on 2 and 1 is not allowed)
    A 5128 – 3568 Correct Answer Incorrect Answer
    B 6734 - 5174 Correct Answer Incorrect Answer
    C 3478 – 1918 Correct Answer Incorrect Answer
    D 8430 - 6260 Correct Answer Incorrect Answer

    Solution

    The logic followed here is shown below: 5128 – 3568 = 5128 - 1560 = 3568 6734 - 5174 = 6734 - 1560 = 5174 3478 – 1918 = 3478 - 1560 = 1918 8430 - 6260 = 8430 - 1560 = 6870

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