Question : Directions: Which two numbers should be interchanged to make the given equation correct? 16 + 24 × 12 – 25 + 6 = 298
Option 1: 25 and 24
Option 2: 25 and 12
Option 3: 25 and 16
Option 4: 24 and 16
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Correct Answer: 25 and 24
Solution : Given: 16 + 24 × 12 – 25 + 6 = 298
Let's check the options – First option: 25 and 24 16 + 25 × 12 – 24 + 6 = 298 Solving the L.H.S. of the equation – = 16 + 300 – 24 + 6 = 298 = R.H.S. Second option: 25 and 12 16 + 24 × 25 – 12 + 6 = 298 Solving the L.H.S. of the equation – = 16 + 600 – 12 + 6 = 610 ≠ 298 Third option: 25 and 16 25 + 24 × 12 – 16 + 6 = 298 Solving the L.H.S. of the equation – = 25 + 288 – 16 + 6 = 303 ≠ 298 Fourth option: 24 and 16 24 + 16 × 12 – 25 + 6 = 298 Solving the L.H.S. of the equation – = 24 + 192 – 25 + 6 = 197 ≠ 298
So, only the first option satisfies the R.H.S. of the equation. Hence, the first option is correct.
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