Hand picked material and question banks

Latest Popular RatedShowing Page 9 of 31Total Questions 241 Join Examsbook

Q:
The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The observation is
1258 0

Answer : 3. "26 "

Q:
Directions: Given table shows the data of population in 5 different parks. Study the data carefully and answer the questions.

If 30 females from each park are above 80 years age then find the average of no. of females who are below or equal to the age of 80 years from all the parks.
1257 0

Answer : 3. "300"

Q:
The average of three consecutive odd numbers is 12 more than one third of the first of these numbers. What is the last of the three numbers?
1244 0

Answer : 1. "19 "

Q: The average value found for 20 observations was 75. It was noticed later that 97 was read as 79. So, what was the correct average value? 1240 0

Answer : 3. "75.9"
Explanation :
undefined

Q:
The average of seven numbers is 18. If one of the number is 17 and if it is replaced by 31, then the average becomes:
1230 0

Answer : 1. "20 "

Q: Average age of 21 men reduces by 1 year when a man of 32 years is replaced by a child. What is the age of that child? 1227 0

Answer : 2. "11 years"
Explanation :
undefined

Q:
Find the average of all prime numbers between 30 and 50.
1210 0

Answer : 4. "39.8"

Q:
The average of marks scored by the students of a class is 68. The average of marks of the girls in the class is 80 and that of the boys is 60. What is the percentage of boys in the class?
1203 0

Q: The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The observation is 1258 05ee05f683f1add232d8330fa

Answer : 3. "26 "

Answer : 3. "300"

Q: The average of three consecutive odd numbers is 12 more than one third of the first of these numbers. What is the last of the three numbers? 1244 05f2a625dcef453383f1e3ce5

Answer : 1. "19 "

Q: The average value found for 20 observations was 75. It was noticed later that 97 was read as 79. So, what was the correct average value? 1240 05d19e0457619fe30b9d34a66

Answer : 3. "75.9" Explanation :undefined

Q: The average of seven numbers is 18. If one of the number is 17 and if it is replaced by 31, then the average becomes: 1230 05f2a7ddc7079852b553cc9c8

Answer : 1. "20 "

Q: Average age of 21 men reduces by 1 year when a man of 32 years is replaced by a child. What is the age of that child? 1227 05d19d5011388cd24f0860efa

Answer : 2. "11 years" Explanation :undefined

Q: Find the average of all prime numbers between 30 and 50. 1210 05f3f98a89b782961da39381e

Answer : 4. "39.8"

Q: The average of marks scored by the students of a class is 68. The average of marks of the girls in the class is 80 and that of the boys is 60. What is the percentage of boys in the class? 1203 05f2a5f24cef453383f1e38ad

Answer : 4. "60% "

Report Error

Report Error

Report Error

Report Error

Report Error

Report Error

Report Error

Report Error

Q:
The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The observation is
1258 0

Q:
The average of three consecutive odd numbers is 12 more than one third of the first of these numbers. What is the last of the three numbers?
1244 0

Q: The average value found for 20 observations was 75. It was noticed later that 97 was read as 79. So, what was the correct average value? 1240 0

Answer : 3. "75.9"
Explanation :
undefined

Q:
The average of seven numbers is 18. If one of the number is 17 and if it is replaced by 31, then the average becomes:
1230 0

Q: Average age of 21 men reduces by 1 year when a man of 32 years is replaced by a child. What is the age of that child? 1227 0

Answer : 2. "11 years"
Explanation :
undefined

Q:
Find the average of all prime numbers between 30 and 50.
1210 0

Q:
The average of marks scored by the students of a class is 68. The average of marks of the girls in the class is 80 and that of the boys is 60. What is the percentage of boys in the class?
1203 0