Question
Download Solution PDFSelect the correct combination of mathematical signs to replace the * signs and balance the given equation.
450 * 300 * √144 * 162 * 489 * 411
Answer (Detailed Solution Below)
Detailed Solution
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Given Equation: 450 * 300 * √144 * 162 * 489 * 411
Let's check each option using BODMAS rule,
1) +, =, -, +, -
450 + 300 = √144 - 162 + 489 - 411
750 = 12 - 162 + 78
750 = -72
LHS ≠ RHS.
2) -, ×, =, +, +
450 - 300 × √144 = 162 + 489 + 411
150 × 12 = 1062
1800 = 1062
LHS ≠ RHS.
3) =, ×, +, -, +
450 = 300 × √144 + 162 - 489 + 411
450 = 300 × 12 + 84
450 = 3600 + 84
450 = 3684
LHS ≠ RHS.
4) +, -, +, =, +
450 + 300 - √144 + 162 = 489 + 411
750 - 12 + 162 = 900
738 + 162 = 900
900 = 900
LHS = RHS.
Here, we can see that Option 4 satisfies the equation.
Hence, the correct answer is " +, -, +, =, + ".
Last updated on Jun 26, 2025
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