Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following symbols.
If ÷ means –, – means ×, × means +, and + means ÷, then, 20 × 60 ÷ 40 – 20 + 10 = ?
Option 1: 80
Option 2: 60
Option 3: 40
Option 4: 0
Correct Answer: 0
Solution :
Given:
÷ means –, – means ×, × means +, and + means ÷.
20 × 60 ÷ 40 – 20 + 10 = ?
On replacing the symbols according to the information provided the equation becomes
⇒ 20 + 60 – 40 × 20 ÷ 10 =?
= 20 + 60 – 40 × 20 ÷ 10
= 20 + 60 – 40 × 2
= 20 + 60 – 80
= 80 – 80
= 0
Hence, the fourth option is correct.
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