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
- Ratio of the father age to the son's age is 4 : 1. The product of their age is 196. Ratio of their ages after 7 years will be:
- If a man was r years old s years ago, how many years old will he be t years from now?
- A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, then how old is B?
- 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--
- 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?
There are no comments yet.