Average Questions Practice Question and Answer
8Q: The average of goods produced by a company every month is 4000 of average of last 3 month’s production. How many average goods should they produce every month in next 9 months so their monthly average production during a year will be 4375? 1779 15d19f4b07619fe30b9d34af4
5d19f4b07619fe30b9d34af4- 14500true
- 24600false
- 34680false
- 44710false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "4500"
Explanation :
undefined
Q: The average weight of 29 students is 40 kg. If the weight of teacher be included the average weight increased by 400 gms. The weight of the teacher is-
1776 0603dce2ee759ac364c8ba6f3
603dce2ee759ac364c8ba6f3- 150 kgfalse
- 249 kgfalse
- 352 kgtrue
- 455 kgfalse
- 5None of thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "52 kg "
Q: The average of 24 number is 65. The average of first 11 number is 67 and the average of last 10 number is 70. If the 12th Number is 13 less than the 13th number , and the 14th number is one more than the 13th number, then the average of 12th and 14th number is:
1769 05f2e6b156bb2fc29b22c6a29
5f2e6b156bb2fc29b22c6a29- 124false
- 236false
- 339true
- 442false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "39"
Q: The average of eleven numbers is 68. The average of the first numbers is 78 and that of the next four number is 63. The 9th number is two time the 11th number and the 10th number is 4 less than the 11th number. What is the average of the 9th and 11th numbers?
1761 06051c6e0d3e3d30b29d9a74e
6051c6e0d3e3d30b29d9a74e- 170.1false
- 270.5true
- 372.6false
- 472.2false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "70.5"
Q: Find the average of all prime numbers between 30 and 50.
1755 05f3f98a89b782961da39381e
5f3f98a89b782961da39381e- 141.8false
- 238.8false
- 337.8false
- 439.8true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "39.8"
Q: The twice of sum of the ages of a father and his son is 8 times the age of the son. If the average age of the father and the son is 30 years, what is father's age ? 1749 05b5cc6c9e4d2b4197774df83
5b5cc6c9e4d2b4197774df83- 142 yrsfalse
- 245 yrstrue
- 336 yrsfalse
- 438 yrsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "45 yrs"
Explanation :
Answer: B) 45 yrs Explanation: Let father's age be x year and son's age be y year. According to question, 2(x+y) = 8y _______(I) and (x+y)/2 = 30 => x+y = 60 years__________(II) From equation (I) and (II) 8 y = 120 y = 15 years, Hence x = 45 years.
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? 1743 05d19e0457619fe30b9d34a66
5d19e0457619fe30b9d34a66- 175.7false
- 275.8false
- 375.9true
- 475.6false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "75.9"
Explanation :
undefined
Q: The average age of 24 boys and their teacher is 15 years. When the teacher's age is excluded, the average age decreases by 1 year. The age of the teacher is:
1731 05f2a6089a5ce9779bd291953
5f2a6089a5ce9779bd291953- 140 Yearsfalse
- 241 Yearsfalse
- 338 Yearsfalse
- 439 Yearstrue
- Show AnswerHide Answer
- Workspace
- SingleChoice

