Question : Directions: If + means –, – means ×, × means ÷, and ÷ means +, then what will be the value of the following expression? 13 – 3 + 15 × 3 ÷ 5 = ?
Option 1: 37
Option 2: 42
Option 3: 39
Option 4: 41
Correct Answer: 39
Solution : Given: + means –, – means ×, × means ÷, and ÷ means + 13 – 3 + 15 × 3 ÷ 5 = ?
After interchanging the given mathematical signs, we get – 13 × 3 – 15 ÷ 3 + 5 13 × 3 – 5 + 5 39 – 5 + 5 = 39
So, 39 is the answer to the given equation. Hence, the third option is correct.
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Question : Directions: If + means divided by, – means added to, × means subtracted from and ÷ means multiplied by, then what will be the value of the following expression? [{(25 × 13) – (3 ÷ 3)} + (3 – 4)]
Question : Directions: If + means −, − means ×, × means ÷, and ÷ means +, then what will be the value of the following expression? 12 − 3 + 15 × 5 ÷ 6 = ?
Question : Directions: If + means ×, – means ÷, × means +, and ÷ means −, then what will be the value of the following expression? 42 × 168 – 8 ÷ 4 + 3 = ?
Question : Directions: If + means –, – means ×, × means ÷, and ÷ means +, then what will be the value of the following expression? 15 – 2 ÷ 90 × 9 + 10
Question : Directions: If + means ÷, – means ×, × means −, and ÷ means +, then what will be the value of the following expression? 108 × 343 + 7 – 2 ÷ 13 = ?
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