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11th Class Mental Ability Ranking and Ordering-Test Question Bank Question - Ranking & Number Sequence Test

  • question_answer
    A number is four less than two times the other number. If their difference is 21, then what is the greater number?

    A) 50

    B) 46

    C) 31

    D) 21

    E) None of these

    Correct Answer: B

    Solution :

    Explanation Option (b) is correct. Sf smaller number is x, then \[(2x-4)-x=21\] \[2x-x=21+4\] \[x=25\] The greater number is \[\left( 25\times 2 \right)-4=46.\]


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