Question : Directions: If + means subtraction, – means multiplication, ÷ means addition, and × means division, then what is the value of the following expression?
26 – 13 + 144 × 18 ÷ 81
Option 1: 292
Option 2: 411
Option 3: 405
Option 4: 144
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Correct Answer: 411
Solution :
Given:
+ means subtraction, – means multiplication, ÷ means addition, and × means division
26 – 13 + 144 × 18 ÷ 81
After replacing the symbols as directed by the question, the equation becomes –
= 26 × 13 – 144 ÷ 18 + 81
= 26 × 13 – 8 + 81
= 338 – 8 + 81
= 338 + 73
= 411
So, 411 is the required answer to the given equation. Hence, the second option is correct.
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