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1. What is the minimum number of sweets that must be added to an existing batch of 240 sweets, so that the total batch can equally be devided among 2, 5 and 7 persons?
- A. 15
- B. 15
- C. 15
- D. 15
Answer: Option C
Explanation:
LCM of 2, 5 and 7 are = 70
ভাজ্য = ভাজক*ভাগফল + ভাগশেষ
240 = 70*3 + 30
So, minimum number is required = 70 - 30 = 40 (Ans.)
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