If + means ×, − means + and × means ÷, find the value of 5 + 4 − 18 × 3.
Question and options
If + means ×, − means + and × means ÷, find the value of 5 + 4 − 18 × 3.
- 26
- 15
- 6
- 14
Answer and explanation
Correct answer: A - 26
Replacing the symbols turns the expression into 5 x 4 + 18 / 3. Doing division and multiplication first gives 20 + 6 = 26. Working strictly left to right instead gives (20 + 18) / 3, which is not a whole number and ignores the order of operations.
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CUSAT CAT Five-Year LL.B.
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