Question

    A number is such that when it is multiplied by 4, it

    gives another number which is as much above from 180 as the original number (itself) is below 180. The average of the original number and the resultant number is:
    A 120 Correct Answer Incorrect Answer
    B 240 Correct Answer Incorrect Answer
    C 180 Correct Answer Incorrect Answer
    D 270 Correct Answer Incorrect Answer
    E 210 Correct Answer Incorrect Answer

    Solution

    Let the number be x. According to question, => 180 – x = 4x – 180 =>x = 72 So, 4x = 288 Therefore, the average of = (72 + 288)/2 = 180

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