In a class of 65 students there are 39 girls. The average weight of these girls is 60 Kg and average weight of the full class is 64 kgs. What is the average weight of the boys of the class?

In a class of 65 students there are 39 girls. The average weight of these girls is 60 Kg and average weight of the full class is 64 kgs. What is the average weight of the boys of the class?
1). 69
2). 66
3). 68
4). 70

SSC CGL Books

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (4+3)
Submit:

Other Questions

1. Average age of three boys is 22 years. If the ratio of their ages is 6 : 9 : 7, then the age of the youngest boy is

2. The average of the squares of first ten natural numbers is

3. The average revenues of 9 consecutive years of a company is Rs 80 lakhs. If the average of first 5 years is Rs 75 lakhs and that of last 5 years is Rs 87 lakhs, find the revenue for the 5 th year.

4. The average weight of Shivshankar, Gopesh and Reena is 97 kg. If the average weight of Shivshankar and Gopesh is 93 kg and that of Gopesh and Reena is 82 kg, then the weight of Gopesh is

5. In a class of 60 students there are 30 girls. The average weight of these girls is 58 Kg and average weight of the full class is 63 kgs. What is the average weight of the boys of the class?

6. The average of 6 consecutive even numbers is 25. If the next even number is also considered, then what is the new average?

7. The sum of 8 consecutive even numbers is 456. Also average of 4 consecutive odd numbers is 88. What is the sum of largest odd and largest even number?

8. A survey was conducted over a group of 900 people asking about their usage of mobile, laptop and tablet. The average number of users that are using only one of them is 107, while 168 users are using all of the three items. If the total number of people using none of them is 5, how many users are using only two of the items?

9. What is the average of 36, 43, 51, 68, and 77?

10. The average of 18 observations is recorded as 124. Later it was found that two observations with values 64 and 28 were entered wrongly as 46 and 82. Find the correct average of the 18 observations.