7. The average of six members is 30. If the
average of first-four is 25 and that of last
three is 35, then the fourth number is
(a) 25 (b) 30 (c) 35 (d) 40
Answers
Answered by
1
Answer:
then average of first 4 is 25. and average of last 3 is 35. So the 4th number is =(100+105)-180=25.
Answered by
0
Answer:
option c is correct answer
Step-by-step explanation:
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