Logical Reasoning

Coding & Decoding

Medium

If '-' stands for 'division', '+' for 'multiplication', '÷' for 'subtraction' and 'x' for 'addition', then which one of the following equations is correct?

6 + 20 - 12 ÷ 7 - 1 = 38

6 - 20 ÷ 12 x 7 + 1 = 57

6 + 20 - 12 ÷ 7 x 1 = 62

6 ÷ 20 x 12 + 7 - 1 = 70

✅ Correct Option: 4

We will check the options one by one -

Option 1 -> $6\times20\div12-7\div1 = 3 \neq 38$

Option 2 -> $6\div20-12+7\times1 = -4.7 \neq 57$

Option 3 -> $6\times20\div12-7+1 = 4 \neq62$

Option 4 -> $6-20+12\times7\div1 = 70 = 70$

$\therefore$ Option 4 is the correct option.

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Solution

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