Q. The average of 7 numbers is 30. If the average of first three numbers is 25 and that of last three numbers is 35, then what is the fourth number?
A) 35
B) 30
C) 40
D) 37.5
✔ Correct Answer: 30
Exam Insight
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A) 35
B) 30
C) 40
D) 37.5
✔ Correct Answer: 30
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