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
- Six years from now the combined age of father and son will be 54. If currently son is 5 times younger than his father then what is the present age of the father?
- Arif has a brother one-third his age and a sister three times his age. If the combined ages of all 3 children is 5 less than twice the oldest, how old is Arif?
- A father is three times as old as his son. After fifteen years the father will be twice as old as his son's age at that time. Hence the father's present age is--
- Jafar is n years old. Moin is 5 years younger than Jafar and 3 years older than Arif. What is the sum of the ages of all three?
- The present age of Noman is thrice the present age of Shamim who is 20. How many years ago was the age of Noman five times that of Shamim?
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