Question : Directions: Select the correct combination of mathematical signs to replace the * signs and to balance the given equation. 221 * 17 * 3 * 60 * 7 * 10
Option 1: ÷, –, +, =, ×
Option 2: +, =, ×, ÷, –
Option 3: ÷, ×, +, =, +
Option 4: +, =, ×, +, ×
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Correct Answer: ÷, –, +, =, ×
Solution : Given: 221 * 17 * 3 * 60 * 7 * 10
Replace * with the mathematical signs and solve the equations one by one using the BODMAS. Let's check the given options – First option: ÷, –, +, =, × ⇒ 221 ÷ 17 – 3 + 60 = 7 × 10 Solving the L.H.S. and R.H.S. of the equation – ⇒ 13 – 3 + 60 = 70 ⇒ 70 = 70 Second option: +, =, ×, ÷, – ⇒ 221 + 17 = 3 × 60 ÷ 7 – 10 Solving the L.H.S. and R.H.S. of the equation – ⇒ 238 = 25.71 – 10 ⇒ 238 ≠ 15.71 Third option: ÷, ×, +, =, + ⇒ 221 ÷ 17 × 3 + 60 = 7 + 10 Solving the L.H.S. and R.H.S. of the equation – ⇒ 39 + 60 = 17 ⇒ 99 ≠ 17 Fourth option: +, =, ×, +, × ⇒ 221 + 17 = 3 × 60 + 7 × 10 Solving the L.H.S. and R.H.S. of the equation – ⇒ 238 = 180 + 70 ⇒ 238 ≠ 250
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 replace the * signs and to balance the given equation. 831 * 3 * 13 * 45 * 245 * 1
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. 88 * 44 * 22 * 66 * 99 * 251
Option 1: +, ÷, –, ×, =
Option 2: ÷, +, –, ×, =
Option 3: +, +, –, ×, =
Option 4: –, ÷, +, +, =
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs from left to right to balance the given equation. 44 * 32 * 8 * 16 * 3 * 0
Option 1: +, ×, –, ÷, =
Option 2: ×, +, –, ÷, =
Option 3: +, –, ×, ÷, =
Option 4: +, ÷, –, ×, =
Question : Directions: Select the correct combination of mathematical signs that can sequentially replace the * signs from left to right to balance the following equation. 30 * 3 * 16 * 4 * 24 * 70
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. 65 * 56 * 8 * 19 * 2 * 34
Option 1: –, ÷, –, ×, =
Option 2: +, +, –, ×, =
Option 3: +, ×, –, ×, =
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