Question
Download Solution PDFBy interchanging the given two signs and numbers which of the following equation will be not correct?
+ and ×, 5 and 4
I. 4 + 8 × 5 – 7 ÷ 1 = 37
II. 5 × 3 – 4 + 6 ÷ 2 = –8
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFI. 4 + 8 × 5 – 7 ÷ 1 = 37
After interchanging the signs + and ×, and numbers, 5 and 4 in the given equation, we have
5 × 8 + 4 – 7 ÷ 1 = 37
Applying BODMAS Rule, we get
5 × 8 + 4 – 7 = 37
⇒ 40 + 4 – 7 = 37
⇒ 44 - 7 = 37
⇒ 37 = 37
The given equation is correct.
II. 5 × 3 – 4 + 6 ÷ 2 = –8
After interchanging the signs + and ×, and numbers, 5 and 4 in the given equation, we have
4 + 3 – 5 × 6 ÷ 2 = –8
Applying BODMAS Rule, we get
4 + 3 – 5 × 3 = –8
⇒ 4 + 3 – 15 = –8
⇒ 7 – 15 = –8
⇒ -8 = –8
The given equation is correct.
Hence, "Neither I nor II" is the correct answer.
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