If '+' means 'division', '-' means 'addition', '×' means 'subtraction' and '÷' means 'multiplication', what will be the value of the following expression?

[{(48 × 20) - (2 ÷ 4)} + (2 - 4)] ÷ 2 

This question was previously asked in
DDA JE Civil 29 Mar 2023 Shift 3 Official Paper
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  1. 10
  2. 12
  3. 6
  4. 8

Answer (Detailed Solution Below)

Option 2 : 12
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Detailed Solution

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The logic followed is:

Decoding the information, 

Symbol

+

-

 × 

÷

Meaning

 ÷

-

×

 

610aa320dbf9432058f9be90 16299863500581

Given the equation: [{(48 × 20) - (2 ÷ 4)} + (2 - 4)] ÷ 2 = ?

After replacing the signs from left to right and using the BODMAS rule,

= [{(48 - 20) + (2 × 4)} ÷ (2 + 4)] × 2 

= [{(28) + (8)} ÷ (6)] × 2

= [{36} ÷ (6)] × 2

= [6] × 2

= 12

Hence, the correct answer is "12".

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