Topics

In seven given numbers, the average of first four numbers is 4 and that of the last four numbers is also 4. If the average of these seven numbers is 3 , then the fourth number is


A) 9

B) 8

C) 10

D) 11

Correct Answer:
D) 11

Description for Correct answer:
Fourth number = (4 X 4 + 4 X 4 - 7 X 3) = 11

Part of solved Average questions and answers : >> Aptitude >> Average




Comments
No comments available




Similar Questions
1). Rambabu has twice as much as Santosh and Santosh has 150% more money that what Sunil has. If average money with them is Rs.110, then Rambabu has
A). Rs. 160
B). Rs. 175
C). Rs. 170
D). Rs. 180
-- View Answer
2). The average age of 30 students is 9 years. If age of their teacher is included, it becomes 10 years. The age of teacher (in years) is
A). 27 years
B). 31 years
C). 35 years
D). 40 years
-- View Answer
3). The average weight of 8 men is increased by 1.5kg when one of the men who weighs 65 kg is replaced by a new man. The weight of the new man is
A). 76 kg
B). 76.5 kg
C). 76.7 kg
D). 77 kg
-- View Answer
4). A cricketer scored some runs in his continuous 9 innings. He scored 100 runs in his 10 th innings and increases his average by 8 runs. What was the average of his runs at the end of 10 th innings?
A). 20
B). 24
C). 28
D). 32
-- View Answer
5). Three year ago the average age of a family of five members was 27 years. The present average age is also 27 year after the inclusion of a child into the family. Find the age of the child
A). 16 yr
B). 12 yr
C). 24 yr
D). 20 yr
-- View Answer


6). Average weight of three boys P, T R is \( \large 54 \frac{1}{3} kg\), while the average weight of three boys T, F and G is 53 kg. What is the average weight of P, T, R, F and G?
A). 53.8 kg
B). 52.4kg
C). 53.2 kg
D). Cannot be determined
-- View Answer
7). The average run scored by cricketer in 42 innings is 30. The difference between his maximum and minimum scores in an innings is 100. If these two innings are not taken into consideration, then the average score of the remaining 40 innings is 28. Calculate the maximum runs scored by him in an innings?
A). 125
B). 120
C). 110
D). 100
-- View Answer
8). If x + y + z = 13, then the maximum value of (x - 2 )(y + 1)(z - 3) is
A). 25
B). 30
C). 54
D). 27
-- View Answer
9). A car reached Raipur from Somgarh in 35 mins with an average speed of 69Km/hr. If the average speed is increased by 36 Km/hr, how much time will it take to cover the same distance?
A). 24 min
B). 27 min
C). 23 min
D). 29 min
-- View Answer
10). 3 yr ago, the average age of a family of 5 members was 17 yr. Even after a birth of a child, the average is same today. Find out the age of the child
A). 1 yr
B). 3 yr
C). 2.5 yr
D). 2 yr
-- View Answer
Home About Us Terms and Conditions Privacy Policy Contact us