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XAT 2020 · Quantitative Ability & Data Interpretation · Easy · Quantitative Aptitude

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If A◯B=(A+B)×BA \bigcirc B = (A + B) \times B, then what is ((5◯2)◯5)((5 \bigcirc 2) \bigcirc 5)?

  1. A.

    125

  2. B.

    200

  3. C.

    95

  4. D.

    74

  5. E.

    275

Answer

C

Explanation

First, evaluate 5◯2=(5+2)×2=145 \bigcirc 2 = (5 + 2) \times 2 = 14. Then, evaluate 14◯5=(14+5)×5=19×5=9514 \bigcirc 5 = (14 + 5) \times 5 = 19 \times 5 = 95.

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