Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. 150 * 3 * 10 * 2 * 7 * 46
Option 1: ÷, +, –, ×, =
Option 2: –, ×, +, ÷, =
Option 3: +, –, ÷, ×, =
Option 4: ×, +, ÷, –, =
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Correct Answer: ÷, +, –, ×, =
Solution : Given: 150 * 3 * 10 * 2 * 7 * 46
Let's check the given options – First option: ÷, +, –, ×, = ⇒ 150 ÷ 3 + 10 – 2 × 7 = 46 Solving the L.H.S. of the equation – = 50 + 10 – 2 × 7 = 50 + 10 – 14 = 60 – 14 = 46 = R.H.S. Second option: –, ×, +, ÷, = ⇒ 150 – 3 × 10 + 2 ÷ 7 = 46 Solving the L.H.S. of the equation – = 150 – 3 × 10 + 0.285 = 150 – 30 + 0.285 = 120.285 ≠ 46 Third option: +, –, ÷, ×, = ⇒ 150 + 3 – 10 ÷ 2 × 7 = 46 Solving the L.H.S of the equation – = 150 + 3 – 5 × 7 = 150 + 3 – 35 = 118 ≠ 46 Fourth option: ×, +, ÷, –, = ⇒ 150 × 3 + 10 ÷ 2 – 7 = 46 Solving the L.H.S of the equation – = 150 × 3 + 5 – 7 = 450 + 5 – 7 = 448 ≠ 46
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 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. 32 * 42 * 7 * 7 * 17 = 202
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. 42 * 7 * 5 * 5 * 40 * 5
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. 17 * 21 * 7 * 5 * 4 * 34
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 4: ÷, –, ×, +
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