Which two numbers not digits should be interchanged to make the following equation correct 4 times 1...........

Logical Reasoning (MTS) Arthemetic Operations

Which two numbers (not digits) should be interchanged to make the following equation correct?

(4 × 12 + 15) ÷ 8 − 9 = 0

This questions was previously asked in

SSC MTS 20th July 2022 Shift-3

12 and 15

4 and 8

12 and 8

8 and 9

Let's break down the options:

- Original Equation: \((4 × 12 + 15) ÷ 8 - 9 = 0\).

- Option 1 (12 and 15):

- Switch 12 and 15: \((4 × 15 + 12) ÷ 8 - 9 = 0\).

- Calculating: \((60 + 12) ÷ 8 - 9 = 72 ÷ 8 - 9 = 9 - 9 = 0\).

- Option 2 (4 and 8):

- Switch 4 and 8: \((8 × 12 + 15) ÷ 4 - 9 = 0\).

- Calculating: \((96 + 15) ÷ 4 - 9 ? 0\).

- Option 3 (12 and 8):

- Switch 12 and 8: \((4 × 8 + 15) ÷ 12 - 9 = 0\).

- Calculating: \((32 + 15) ÷ 12 - 9 ? 0\).

- Option 4 (8 and 9):

- Switch 8 and 9: \((4 × 12 + 15) ÷ 9 - 8 = 0\).

- Calculating: \((48 + 15) ÷ 9 - 8 ? 0\).

The correct answer is Option 1 (12 and 15).

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