11 
The average age of the boys of class Computer is 18 years and the average age of the girls of the class in 16 years. What is the average age of the entire class, if the ratio of boys and girls is 3 : 4?


Answer:
Option (a) 
12 
The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is:


Answer:
Option (b) 
13 
The average temperature for Wednesday, Thursday and Friday was 40oC. The average for Thursday, Friday and Saturday was 41oC. If temperature on Saturday was 42oC, what was the temperature on Wednesday?


Answer:
Option (a) 
14 
The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15kg. Find the average weights of all the boys in the class.


Answer:
Option (c) 
15 
The average weight of 20 people is increased by 2.2 kg when oneman weight 53 kg is replaced by another man. Find the weight of new man?


Answer:
Option (d) 
16 
Average age of students in section A of 55 students is 12 and the average age of students in section B of 45 students is 14 years. Find the average age of students in both sections taken together?


Answer:
Option (d) 
17 
Average marks of 35 students is 70. If marks of one student is excluded then average increased by 2 marks. What are the marks of excluded student?


Answer:
Option (a) 
18 
Find the average of numbers lies between 100 and 300 as well as divisible by 7.


Answer:
Option (b) 
19 
In the first 10 overs of a cricket game, the run rate was 6.8. What should be the run rate in the remaining 40 overs to reach the target of 350 runs?


Answer:
Option (c) 
20 
Out of four members, the average of first 3 numbers is thrice the fourth number. If average of all four members is 5, what is fourth number?


Answer:
Option (d) 