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1. A number is doubled and 9 is added. If the resultant is trebled, it beomes 75. What is that number?
- A. None of these
- B. None of these
- C. None of these
- D. None of these
Answer: Option C
Explanation:
ধরি, সংখ্যাটি x
( 2x + 9) × 3 = 75
2x + 9 = 25
2x = 16
x = 8
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