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1. Two numbers are in the ratio 5 : 4 and their difference is 10. What is the smallest number?
- A. 30
- B. 30
- C. 30
- D. 30
Answer: Option C
Explanation:
ধরি, সংখ্যা দুটি 5x ও 4x 5x - 4x = 10 x = 10 বড় সংখ্যাটি = 5x = 5×10 = 50
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