If ‘÷’ means ‘addition’, ‘+’ means ‘subtraction’, ‘–’ means ‘multiplication’ and ‘×’ means ‘division’, then the value of 18÷12×4 – 5 is || ADRE 1.0 SLRC 2022 PAPER-IV SOLVED QUESTIONS
Question:
If ‘÷’ means ‘addition’, ‘+’ means ‘subtraction’, ‘–’ means ‘multiplication’ and ‘×’ means ‘division’, then the value of 18÷12×4 – 5 is
(A) 25
(B) 35
(C) 40
(D) 33
Solution:
Let's first replace the symbols according to the given meanings:
‘÷’ means ‘addition’: 18 ÷ 12 becomes 18 + 12
‘+’ means ‘subtraction’: (Not used in this problem)
‘–’ means ‘multiplication’: 4 – 5 becomes 4 × 5
‘×’ means ‘division’: 12 × 4 becomes 12 ÷ 4
Now, rewrite the expression with the new operations:
18+12÷4×5
Next, apply the correct order of operations (BODMAS):
Division first: 12÷4=3
Multiplication next: 3×5=15
Addition: 18+15=33
The correct answer is (D) 33.
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