If ‘+’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘–’ and ‘–’ means ‘+’ what is the value of — 17 + 15 – 135 × 9 ÷ 70 ?Question 38Answera.200b.170c.270d.240
Question
If ‘+’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘–’ and ‘–’ means ‘+’ what is the value of — 17 + 15 – 135 × 9 ÷ 70 ?
Question 38
Answer
a. 200
b. 170
c. 270
d. 240
Solution
First, let's replace the symbols according to the given conditions:
- Replace '+' with '*'
- Replace 'x' with '/'
- Replace '÷' with '-'
- Replace '-' with '+'
So, the expression 17 + 15 - 135 × 9 ÷ 70 becomes 17 * 15 + 135 / 9 - 70.
Now, let's solve this step by step:
- Multiply 17 and 15, which equals 255.
- Divide 135 by 9, which equals 15.
- Subtract 70 from 15, which equals -55.
So, the expression becomes 255 + (-55) = 200.
Therefore, the value of the expression is 200. So, the answer is (a) 200.
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