সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
The average age of three persons is 30 years. If the ratio of three ages is 3 : 5 : 7. What is the age of the youngest person?
The average age of three persons is 30 years. If the ratio of three ages is 3 : 5 : 7. What is the age of the youngest person?
- ক. 18 years
- খ. 8 years
- গ. 16 years
- ঘ. 42 years
সঠিক উত্তরঃ 18 years
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- The average age of three persons is 30 years. If the ratio of three ages is 3 : 5 : 7. What is the age of the youngest person?
- A woman was 30 years old when her daughter was born. Her age is now 6 years more than three times her daughter's age. How old will the daughter be in 5 years?
- A fatheris 32 years older than the son. In 7 years the father's age will be 5 years more than twice that of the son. The age of the father, 3 years from now will be--
- Son's age is now one-third of father's age. In twelve years from now son's age will be one-half of father's age. What is the son's age in years now?
- The present ages of A and B are in the ratio 6 : 4. Five years ago their ages were in the ratio 5 : 3. Find their present ages.
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