সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
The average age of 12 students is 20 years. If the age of one more student is included the average decreases by 1, what is the age of the new student?
The average age of 12 students is 20 years. If the age of one more student is included the average decreases by 1, what is the age of the new student?
- ক. 5
- খ. 7
- গ. 9
- ঘ. 11
সঠিক উত্তরঃ 7
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- The sum of the ages of the son and father is 120 years. The father's age is 3 times than that of the son. What is the age of 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?
- After x years Sujan will be y years old. After z years Sujan will be--
- 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?
- 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?
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