Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 9 * 16 * 64 * 8 * 2 * 9
Option 1: ÷, +, ×, –, =
Option 2: –, ÷, +, ×, =
Option 3: +, ÷, ×, –, =
Option 4: ÷, –, +, ×, =
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Correct Answer: +, ÷, ×, –, =
Solution : Given: 9 * 16 * 64 * 8 * 2 * 9
Replace * with the mathematical signs and solve the equations one by one using BODMAS. Let's check the given options – First option: ÷, +, ×, –, = 9 ÷ 16 + 64 × 8 – 2 = 9 Solving the L.H.S. of the equation – = 0.5625 + 64 × 8 – 2 = 0.5625 + 512 – 2 = 510.5625 ≠ 9 Second option: –, ÷, +, ×, = 9 – 16 ÷ 64 + 8 × 2 = 9 Solving the L.H.S. of the equation – = 9 – 0.25 + 8 × 2 = 9 – 0.25 + 16 = 25 – 0.25 = 24.75 ≠ 9 Third option: +, ÷, ×, –, = 9 + 16 ÷ 64 × 8 – 2 = 9 Solving the L.H.S. of the equation – = 9 + 0.25 × 8 – 2 = 9 + 2 – 2 = 9 Fourth option: ÷, –, +, ×, = 9 ÷ 16 – 64 + 8 × 2 = 9 Solving the L.H.S. of the equation – = 0.5625 – 64 + 8 × 2 = 0.5625 – 64 + 16 = –47.4375 ≠ 9
So, only the third option satisfies the given equation. Hence, the third 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. 16 * 3 * 2 * 11 * 9 = 22
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. 12 * 4 * 15 * 3 * 16 * 24
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. 32 * 14 * 18 * 9 * 12 * 22
Option 1: –, +, ÷, ×, =
Option 2: +, –, ÷, ×, =
Option 3: ×, +, ÷, –, =
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 76 * 4 * 26 * 13 * 9 * 62
Option 2: +, ÷, ×, –, =
Option 3: +, –, ÷, ×, =
Question : Directions: Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation. 256 * 4 * 9 * 3 * 14 = 51
Option 1: ×, +, –, ÷
Option 2: ÷, ×, –, +
Option 3: ×, ÷, +, –
Option 4: ÷, –, ×, +
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