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1. Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?
- A. 13
- B. 13
- C. 13
- D. 13
Answer: Option D
Explanation:
ধরি, সংখ্যাটি x
∴ 13x - x = 180
বা, 12x = 180
বা, x = 180 ÷ 12
∴ x = 15.
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