Question
Download Solution PDFBy Interchanging the given two numbers which of the following equation will be correct?
7 and 3
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Interchange 7 and 3.
Calculation:
Let us check each option:
Option 1: 3 ÷ 1 – 7 × 2 + 4 = 8
⇒ 7 ÷ 1 – 3 × 2 + 4 = 8
⇒ 7 - 6 + 4 = 8
⇒ 5 ≠ 8
This is not correct the equation.
Option 2: 3 × 2 + 7 – 6 ÷ 3 = 18
⇒ 7 × 2 + 3 – 6 ÷ 7 = 18
⇒ 14 + 3 - 0. 85 = 18
⇒ 16.15 ≠ 18
This is not correct the equation.
Option 3: 3 + 7 × 4 – 6 ÷ 2 = 20
⇒ 7 + 3 × 4 – 6 ÷ 2 = 20
⇒ 7 +12 - 3 = 20
⇒ 16 ≠ 20
This is not correct the equation.
Option 4: 7 + 3 × 2 – 4 ÷ 1 = 13
⇒ 3 + 7 × 2 – 4 ÷ 1 = 13
⇒ 3 + 14 - 4 = 13
⇒ 13 = 13
This is correct the equation.
Last updated on Jul 8, 2025
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