Question
Download Solution PDFBy Interchanging the given two numbers which of the following equation will be not correct?
7 and 9
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe pattern followed here is:
Find which of the following equation will be not correct.
Let's check each option one by one:
Option 1) 8 × 3 ÷ 6 + 9 – 7 = 2
Given: 7 and 9
⇒ 8 × 3 ÷ 6 + 7 – 9 = 2
⇒ 8 × 0.5 + 7 - 9 = 2
⇒ 4 + 7 - 9 = 2
⇒ 11 - 9 = 2
⇒ 2 = 2
⇒ LHS = RHS
Option 2) 7 + 6 – 9 × 4 ÷ 2 = 2
Given: 7 and 9
⇒ 9 + 6 – 7 × 4 ÷ 2 = 2
⇒ 9 + 6 - 7 × 2 = 2
⇒ 9 + 6 - 14 = 2
⇒ 15 - 14 = 2
⇒ 1 ≠ 2
⇒ LHS ≠ RHS
Option 3) 9 + 4 × 3 – 7 ÷ 1 = 10
Given: 7 and 9
⇒ 7 + 4 × 3 – 9 ÷ 1 = 10
⇒ 7 + 4 × 3 - 9 = 10
⇒ 7 + 12 - 9 = 10
⇒ 19 - 9 = 10
⇒ 10 = 10
⇒ LHS = RHS
Option 4) 9 × 3 + 4 ÷ 2 – 7 = 14
Given: 7 and 9
⇒ 7 × 3 + 4 ÷ 2 – 9 = 14
⇒ 7 × 3 + 2 - 9 = 14
⇒ 21 + 2 - 9 = 14
⇒ 23 - 9 = 14
⇒ 14 = 14
⇒ LHS = RHS
Hence, the correct answer is "Option 2".
Last updated on Jul 12, 2025
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