If K=division, T=addition, M=subtraction, D=multiplication: 12 M 12 D 28 K 7 T…

2016

If K=division, T=addition, M=subtraction, D=multiplication: 12 M 12 D 28 K 7 T 15 = ?

  1. A.

    -15

  2. B.

    -30

  3. C.

    -4

  4. D.

    -21

Attempted by 8 students.

Show answer & explanation

Correct answer: D

Replace the symbols as given: M means subtraction, D means multiplication, K means division, and T means addition. So 12 M 12 D 28 K 7 T 15 = 12 - 12 x 28 / 7 + 15 = 12 - 48 + 15 = -21.

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