If ‘+’ means ‘subtraction’, ‘−’ means ‘multiplication’, ‘÷’ means ‘addition’…
2023
If ‘+’ means ‘subtraction’, ‘−’ means ‘multiplication’, ‘÷’ means ‘addition’ and ‘×’ means‘ division’, then what is the value of the following expression?26 − 13 + 144 × 18 ÷ 81
- A.
292
- B.
411
- C.
405
- D.
144
Attempted by 17 students.
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Correct answer: B
Replace the symbols as instructed: '-' means multiplication, '+' means subtraction, 'x' means division, and '/' means addition. The expression becomes 26 x 13 - 144 / 18 + 81 = 338 - 8 + 81 = 411.