Question
Download Solution PDFBy interchanging the given two signs and numbers which of the following equation will be correct?
× and +, 6 and 4
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe pattern followed here is:
Interchanging the given two signs and numbers the following equation will be correct.
Given:- × and +, 6 and 4
Option 1) 3 × 9 – 4 ÷ 2 + 6 = 8
After interchanging the signs and numbers we get the:
⇒ 3 + 9 – 6 ÷ 2 × 4 = 8
⇒ 3 + 9 - 3 × 4 = 8
⇒ 3 + 9 - 12 = 8
⇒ 12 - 12 = 8
⇒ 0 ≠ 8
⇒ LHS ≠ RHS
Option 2) 8 × 6 + 4 ÷ 2 – 5 = –5
After interchanging the signs and numbers we get the:
⇒ 8 + 4 × 6 ÷ 2 – 5 = –5
⇒ 8 + 4 × 3 - 5 = -5
⇒ 8 + 12 - 5 = -5
⇒ 20 - 5 = -5
⇒ 15 ≠ -5
⇒ LHS ≠ RHS
Option 3) 8 – 3 × 6 + 4 ÷ 1 = 18
After interchanging the signs and numbers we get the:
⇒ 8 – 3 + 4 × 6 ÷ 1 = 18
⇒ 8 - 3 + 4 × 6 = 18
⇒ 8 - 3 + 24 = 18
⇒ 32 - 3 = 18
⇒ 29 ≠ 18
⇒ LHS ≠ RHS
Option 4) 7 × 6 – 4 + 9 ÷ 3 = –7
After interchanging the signs and numbers we get the:
⇒ 7 + 4 – 6 × 9 ÷ 3 = –7
⇒ 7 + 4 - 6 × 3 = -7
⇒ 7 + 4 - 18 = -7
⇒ 11 - 18 = -7
⇒ -7 = -7
⇒ LHS = RHS
Hence, the correct answer is "Option 4".
Last updated on Jun 25, 2025
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