Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. (44 * 3) * 9 * 89 * (174 * 29) * 58
Option 1: ÷, −, =, −, ×, −
Option 2: +, ÷, +, =, −, ×
Option 3: ×, +, =, +, ×, ÷
Option 4: ×, +, =, −, ÷, +
Correct Answer: ×, +, =, −, ÷, +
Solution : Given: (44 * 3) * 9 * 89 * (174 * 29) * 58
Let's check the given options – First option: ÷, −, =, −, ×, − ⇒ (44 ÷ 3) – 9 = 89 – (174 × 29) – 58 Solving the L.H.S. of the equation – = 14.67 – 9 = 5.67 Solving the R.H.S. of the equation – = 89 – 5046 – 58 = –5015 L.H.S. ≠ R.H.S. Second option: +, ÷, +, =, −, × ⇒ (44 + 3) ÷ 9 + 89 = (174 – 29) × 58 Solving the L.H.S. of the equation – = 47 ÷ 9 + 89 = 5.22 + 89 = 94.22 Solving the R.H.S. of the equation – = 145 × 58 = 8410 L.H.S. ≠ R.H.S. Third option: ×, +, =, +, ×, ÷ ⇒ (44 × 3) + 9 = 89 + (174 × 29) ÷ 58 Solving the L.H.S. of the equation – = 132 + 9 = 141 Solving the R.H.S. of the equation – = 89 + 5046 ÷ 58 = 89 + 87 = 176 L.H.S. ≠ R.H.S. Fourth option: ×, +, =, −, ÷, + ⇒ (44 × 3) + 9 = 89 – (174 ÷ 29) + 58 Solving the L.H.S. of the equation – = 132 + 9 = 141 Solving the R.H.S. of the equation – = 89 – 6 + 58 = 141 L.H.S. = R.H.S.
So, only the fourth option satisfies the given equation. Hence, the fourth option is correct.
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