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: ÷, −, ÷, +, =
Correct Answer: ÷, −, ÷, +, =
Solution : Given: 121 * 11 * 99 * 11 * 77 * 79
Let's check the given options – First option: ×, −, ÷, +, = ⇒ 121 × 11 − 99 ÷ 11 + 77 = 79 Solving the L.H.S. of the equation – = 1331 − 9 + 77 = 1399 ≠ 79 Second option: ÷, −, ÷, ×, = ⇒ 121 ÷ 11 − 99 ÷ 11 × 77 = 79 Solving the L.H.S. of the equation – = 11 − 9 × 77 = 11 − 693 = –682 ≠ 79 Third option: ÷, −, ×, +, = ⇒ 121 ÷ 11 − 99 × 11 + 77 = 79 Solving the L.H.S. of the equation – = 11 − 1089 + 77 = 1001 ≠ 79 Fourth option: ÷, −, ÷, +, = ⇒ 121 ÷ 11 − 99 ÷ 11 + 77 = 79 Solving the L.H.S. of the equation – = 11 − 9 + 77 = 79
So, only the fourth option satisfies the given equation. Hence, the fourth 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. (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. (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 to balance the given equation. (626 * 2) * (11 * 9) * 69 * 240 * 103
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 balance the given equation. 54 * 6 * 72 * 8 * 3 * 15
Option 1: ÷, +, ÷, −, =
Option 2: ÷, −, −, +, =
Option 3: +, ÷, ×, +, =
Option 4: ×, −, −, +, =
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