Question : Directions: Select the correct sequence of mathematical signs to replace the * signs to balance the given equation. 72 * 12 * 8 * 6 * 22 = 32
Option 1: +, ÷, ×, –
Option 2: ÷, +, ×, –
Option 3: ×, +, –, ÷
Option 4: ÷, –, ×, +
Correct Answer: ÷, +, ×, –
Solution : Given: 72 * 12 * 8 * 6 * 22 = 32
Replace * with the mathematical signs and solve the equations one by one using BODMAS. Let's check the given options – First option: +, ÷, ×, – ⇒ 72 + 12 ÷ 8 × 6 – 22 = 32 Solving the L.H.S of the equation – = 72 + 9 – 22 = 59 ≠ 32 Second option: ÷, +, ×, – ⇒ 72 ÷ 12 + 8 × 6 – 22 = 32 Solving the L.H.S of the equation – = 6 + 48 – 22 = 32 Third option: ×, +, –, ÷ ⇒ 72 × 12 + 8 – 6 ÷ 22 = 32 Solving the L.H.S of the equation – = 864 + 8 – 0.27 = 871.73 ≠ 32 Fourth option: ÷, –, ×, + ⇒ 72 ÷ 12 – 8 × 6 + 22 = 32 Solving the L.H.S of the equation – = 6 – 48 + 22 = 20 ≠ 32
So, only the second option satisfies the given equation. Hence, the second option is correct.
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Question : Directions: Select the correct combination of mathematical signs to replace × signs and to balance the following equation. 5 × 9 × 3 × 6 × 8
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. 24 * 12 * 35 * 24 * 6 * 319
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. 355 * (12 * 3) * 289 * (186 * 6) * 71
Option 1: +, ×, =, +, ÷, +
Option 2: ÷, –, =, ÷, ×, –
Option 3: ×, +, –, =, ÷, +
Option 4: ×, –, =, +, ÷, +
Question : Directions: Select the correct combination of mathematical signs to replace the * signs and to balance the given equation. ($\sqrt{729 * 9}$) * 67 * 81 * (4 * 6) * 19
Option 1: +, –, +, ÷, =, ×
Option 2: ×, +, –, +, ×, =
Option 3: +, –, ÷, =, –, ×
Option 4: ÷, +, =, –, ×, +
Question : Directions: Select the correct combination of mathematical signs to replace * signs and to balance the following equation. 12 * 3 * 4 = 6 * 8 * 8
Option 1: +, ×, –, ×
Option 2: ×, +, –, ×
Option 3: ×, +, ×, –
Option 4: ×, –, ×, +
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