The average monthly income of A and B is ₹3,590.
Detailed Solution & Logic
Correct Answer:
₹7,160
$ \frac{A + B}{2} = 3590 A + B = 7180 $
$ \frac{B + C}{2} = 4250 B + C = 8500 $
$ \frac{A + C}{2} = 6500 A + C = 13000 $
Now add all three equations:
(A + B) + (B + C) + (A + C) = 7180 + 8500 + 13000
2(A + B + C) = 28680
A + B + C = 14340
Since B + C = 8500
A = 14340 - 8500 = 5840
Since A + C = 13000
C = 13000 - 5840 = 7160
Answer = 7160
Similar Practice Questions
The average weight of a group of 20 women was calculated as 58.5 kg
The average weight of a group of 20 women was calculated as 58.5 kg and...
The average of 6 numbers is 45. The average of the first four numbers is 40, and the fifth number is 50. What is the sixth number?
The average of 6 numbers is 45. The average of the first four numbers is...
The average weight of a class of 115 students is 52.4 kg.
The average weight of a class of 115 students is 52.4 kg. If the average...
The average age of 48 students of a class is 22 years.
The average age of 48 students of a class is 22 years. If the age...
The average weight of a certain number of student in a group was 72 kg.
The average weight of a certain number of student in a group was 72 kg....
The average score of 7 players was initially recorded as 55.
The average score of 7 players was initially recorded as 55. However, it was later...
The sum of five numbers is 655. The average of the first two numbers is 75, and the third number is 129. Find the average of the remaining two numbers.
The sum of five numbers is 655. The average of the first two numbers is...