(A) 10
(B) 11
(C) 20
(D) 24
Tag: Average
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The average age of a family of 24 members is 132 years. If the age of the youngest member is 22 years, the average age of the family at the birth of the youngest member was?
(A) 75
(B) 95
(C) 100
(D) 110
If the average arithmetic mean of 5, 6, 7 and w is 8. What is the value of w?
(A) 08
(B) 12
(C) 14
(D) 16
A boy scored 55 in average of five tests. He scored 65 in average of first two tests. What is his average score in last three tests?
(A) 45
(B) 48.33
(C) 49.22
(D) 51
The average income of a family of 6 members is Rs. 5000. The income of 3 of them is Rs. 12000. What is the income of the remaining 3 persons?
(A) 12000
(B) 90000
(C) 5000
(D) 18000
Mr. Ali got an average of 50 in 6 tests. What should he get in the next test to attain the average of 60?
(A) 60
(B) 70
(C) 100
(D) 120
The average of 7 consecutive numbers is 33. The largest of these number is:
(A) 28
(B) 30
(C) 33
(D) 36
Find the arithmatic mean of 2, 8, 5, 8, 6 and 12.
(A) 5
(B) 6
(C) 7
(D) 9