Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 33 * 4 * 15 * 3 * 61 = 188
Option 1: +, ×, ÷, −
Option 2: ×, −, ÷, +
Option 3: +, −, ÷, ×
Option 4: ÷, ×, −, +
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Correct Answer: ×, −, ÷, +
Solution : Given: 33 * 4 * 15 * 3 * 61 = 188
Replace * with the mathematical signs and solve the equations one by one using the BODMAS. First option: +, ×, ÷, – 33 + 4 × 15 ÷ 3 – 61 = 188 Solving the L.H.S. of the equation – = 33 + 4 × 5 – 61 = 33 + 20 – 61 ⇒ –8 ≠ 188 Second option: ×, –, ÷, + 33 × 4 – 15 ÷ 3 + 61 Solving the L.H.S. of the equation – = 33 × 4 – 5 + 61 = 132 – 5 + 61 ⇒ 188 = R.H.S. Third option: +, –, ÷, × 33 + 4 – 15 ÷ 3 × 61 Solving the L.H.S. of the equation – = 33 + 4 – 5 × 61 = 37 – 305 ⇒ –268 ≠ 188 Fourth option: ÷, ×, –, + 33 ÷ 4 × 15 – 3 + 61 Solving the L.H.S. of the equation – = 8.25 × 15 – 3 + 61 = 123.75 – 3 + 61 ⇒ 181.75 ≠ 188
So, only the second option satisfies the given equation. Hence, the second option is correct.
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Answer Key | Eligibility | Application | Selection Process | Preparation Tips | Result | Admit Card
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