Question
Download Solution PDFBy interchanging the given two numbers which of the following equation will be correct?
7 and 4
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe pattern followed here is:
Let's check each option one by one:
Given: 7 and 4
Option 1) 4 - 7 + 6 ÷ 2 × 3 = 12
After interchanging the number we get the;
⇒ 7 - 4 + 6 ÷ 2 × 3 = 12
⇒ 7 - 4 + 3 × 3 = 12
⇒ 7 - 4 + 9 = 12
⇒ 16 - 4 = 12
⇒ 12 = 12
⇒ LHS = RHS
Option 2) 4 × 3 + 7 - 9 ÷ 3 = 20
After interchanging the number we get the;
⇒ 7 × 3 + 4 - 9 ÷ 3 = 20
⇒ 7 × 3 + 4 - 3 = 20
⇒ 21 + 4 - 3 = 20
⇒ 25 - 3 = 20
⇒ 22 ≠ 20
⇒ LHS ≠ RHS
Option 3) 7 + 4 × 2 - 6 ÷ 2 = 17
After interchanging the number we get the;
⇒ 4 + 7 × 2 - 6 ÷ 2 = 17
⇒ 4 + 7 × 2 - 3 = 17
⇒ 4 + 14 - 3 = 17
⇒ 18 - 3 = 17
⇒ 15 ≠ 17
⇒ LHS ≠ RHS
Option 4) 7 + 5 × 2 - 4 ÷ 1 = 9
After interchanging the number we get the;
⇒ 4 + 5 × 2 - 7 ÷ 1 = 9
⇒ 4 + 5 × 2 - 7 = 9
⇒ 4 + 10 - 7 = 9
⇒ 14 - 7 = 9
⇒ 7 ≠ 9
⇒ LHS ≠ RHS
Hence, the correct answer is "Option 1".
Last updated on Jul 14, 2025
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