Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. 25 * 2 * 220 * 11 * 43
Option 1: +, –, ×, =
Option 2: +, –, ÷, =
Option 3: +, +, ÷, =
Option 4: –, +, ÷, =
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Correct Answer: –, +, ÷, =
Solution : Given: 25 * 2 * 220 * 11 * 43
Replace * with the mathematical signs and solve the equations one by one. Let's check the given options – First option: +, –, ×, = ⇒ 25 + 2 – 220 × 11 = 43 Solving the L.H.S. of the equation – = 25 + 2 – 2420 = 27 – 2420 = –2393 ≠ 43 Second option: +, –, ÷, = ⇒ 25 + 2 – 220 ÷ 11 = 43 Solving the L.H.S. of the equation – = 25 + 2 – 20 = 27 – 20 = 7 ≠ 43 Third option: +, +, ÷, = ⇒ 25 + 2 + 220 ÷ 11 = 43 Solving the L.H.S. of the equation – = 25 + 2 + 20 = 47 ≠ 43 Fourth option: –, +, ÷, = ⇒ 25 – 2 + 220 ÷ 11 = 43 Solving the L.H.S. of the equation – = 25 – 2 + 20 = 45 – 2 = 43
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. 25 * 82 * 12 * 6 * 8 * 91
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. 23 * 2 * 2 * 5 * 18
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. 7 * 5 * 4 * 2 * 3 * 7
Option 1: ÷, –, +, ×, =
Option 2: +, –, ÷, –, =
Option 3: ÷, +, ÷, +, =
Option 4: –, ÷, +, ×, =
Question : Directions: Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation. 96 * 3 * 7 * 4 * 11 = 15
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. 16 * 3 * 2 * 11 * 9 = 22
Option 1: ×, ÷, +, –
Option 3: ÷, ×, +, +
Option 4: ÷, +, ×, ÷
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