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Question : The given table represents the population of different villages.

Name of Village Number of males Number of females
A 1500 1220
B 1460 1320
C 1105 1180
D 1305 1170

J denotes the average number of males in villages A, B, and C.
K denotes the average number of females in villages B, C, and D.
What is the average of J and K?

Option 1: 1289.17

Option 2: 1279.62

Option 3: 1278.36

Option 4: 1288.62


Team Careers360 10th Jan, 2024
Answer (1)
Team Careers360 18th Jan, 2024

Correct Answer: 1289.17


Solution : First, we calculate J, the average number of males in villages A, B, and C. 
J $= \frac{1500 + 1460 + 1105}{3} = 1355$
Next, we calculate K, the average number of females in villages B, C, and D. 
K $= \frac{1320 + 1180 + 1170}{3} = 1223.33$
Finally, the average of J and K is given by:
$= \frac{1355 + 1223.33}{2} = 1289.17$
Hence, the correct answer is 1289.17.

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