Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 54 * 6 * 72 * 8 * 3 * 15
Option 1: ÷, +, ÷, −, =
Option 2: ÷, −, −, +, =
Option 3: +, ÷, ×, +, =
Option 4: ×, −, −, +, =
Correct Answer: ÷, +, ÷, −, =
Solution : Given: 54 * 6 * 72 * 8 * 3 * 15
Let's check the given options – First option: ÷, +, ÷, −, = ⇒ 54 ÷ 6 + 72 ÷ 8 – 3 = 15 Solving the L.H.S. of the equation – = 9 + 9 – 3 = 18 – 3 = 15 Second option: ÷, –, –, +, = ⇒ 54 ÷ 6 – 72 – 8 + 3 = 15 Solving the L.H.S. of the equation – = 9 – 72 – 8 + 3 = 12 – 72 – 8 = –68 ≠ 15 Third option: +, ÷, ×, +, = ⇒ 54 + 6 ÷ 72 × 8 + 3 = 15 Solving the L.H.S. of the equation – = 54 + 0.67 + 3 = 57.67 ≠ 15 Fourth option: ×, –, –, +, = ⇒ 54 × 6 – 72 – 8 + 3 = 15 Solving the L.H.S. of the equation – = 324 – 72 – 8 + 3 = 327 – 72 – 8 = 247 ≠ 15
So, only the first option satisfies the given equation. Hence, the first option is correct.
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Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. (130 * 4) * 21 * 485 * (28 * 2)
Option 1: +, −, =, −, ×
Option 2: ÷, +, =, −, ×
Option 3: ×, −, =, −, ÷
Option 4: ×, −, =, +, ÷
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 121 * 11 * 99 * 11 * 77 * 79
Option 1: ×, −, ÷, +, =
Option 2: ÷, −, ÷, ×, =
Option 3: ÷, −, ×, +, =
Option 4: ÷, −, ÷, +, =
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: ×, +, =, −, ÷, +
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. (440 * 11) * 85 * 57 * (34 * 3)
Option 1: +, −, =, ÷, +
Option 2: ×, =, −, ÷, +
Option 3: +, ×, =, ÷, +
Option 4: ÷, −, =, −, ×
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. (626 * 2) * (11 * 9) * 69 * 240 * 103
Option 1: ÷, +, ×, =, +, +
Option 2: +, ×, =, ÷, +, −
Option 3: ÷, −, ×, =, −, ×
Option 4: +, ×, =, −, ÷, +
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