Find out the two signs to be interchanged for making following equation…

2024

Find out the two signs to be interchanged for making following equation correct

2 + 3 x 8 + 24 – 6 + 3 x 2 / 24 = 12

  1. A.

    + and –

  2. B.

    – and /

  3. C.

    + and x

  4. D.

    + and /

Attempted by 191 students.

Show answer & explanation

Correct answer: B

Explanation:

Interchanging the minus sign (the one between 24 and 6) and the division sign (the one after 3 × 2) gives the expression:

2 + 3 × 8 + 24 / 6 + 3 × 2 - 24 = 12

  • First evaluate multiplications and divisions (left to right): 3 × 8 = 24; 24 / 6 = 4; 3 × 2 = 6.

  • Then evaluate additions and subtraction left to right:

  1. 2 + 24 = 26

  2. 26 + 4 = 30

  3. 30 + 6 = 36

  4. 36 - 24 = 12

So the equation becomes 12 = 12, which is true. Therefore interchanging the minus sign and the division sign makes the equation correct.

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