Average Problems Practice Question and Answer
8 4 Answer : 2. "62"
4 Answer : 1. "12 years"
4 Answer : 3. "56 years "
4 Answer : 1. "4500"
4 4 Q:
5ef04bd381a47f2e7ae4419f 4 Q:
5ee05f683f1add232d8330fa 4 Answer : 3. "75.9"
Q: The average of 11 results is 50. If the average of first six results is 49 and and that of last six is 53, find the sixth result? 1215 05d19cc8e7619fe30b9d34583
5d19cc8e7619fe30b9d34583- 156false
- 262true
- 350false
- 458false
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- SingleChoice
Answer : 2. "62"
Explanation :
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Q: There are 40 boys in a class and average age of the class is 16 years. A boy of 17 years of age is replaced by another one, as a result average age becomes 15.875 years. Find the age of the new boy? 1209 05d19d6201388cd24f0860eff
5d19d6201388cd24f0860eff- 112 yearstrue
- 214.5 yearsfalse
- 315 yearsfalse
- 417 yearsfalse
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- SingleChoice
Answer : 1. "12 years"
Explanation :
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Q: Average age of 12 men is 56 years. Two members of 60 years and 52 years die. What will the average age of the remaining members? 1183 05d19cf5a1388cd24f0860eef
5d19cf5a1388cd24f0860eef- 154 yearsfalse
- 255 yearsfalse
- 356 yearstrue
- 458 yearsfalse
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- Workspace
- SingleChoice
Answer : 3. "56 years "
Explanation :
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Q: 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? 1174 15d19f4b07619fe30b9d34af4
5d19f4b07619fe30b9d34af4- 14500true
- 24600false
- 34680false
- 44710false
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- SingleChoice
Answer : 1. "4500"
Explanation :
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Q: Average weight of 24 students is 32 kg. If increase by 2 kg when a teacher joins the group. What will be the weight of teacher? 1160 05d19d10c7619fe30b9d3458d
5d19d10c7619fe30b9d3458d- 182 kgtrue
- 284 kgfalse
- 380 kgfalse
- 485 kgfalse
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Answer : 1. "82 kg"
Q: Find mean of first five prime number.
1156 15ef04bd381a47f2e7ae4419f
5ef04bd381a47f2e7ae4419f- 14.5false
- 23.6false
- 35.4false
- 45.6true
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Answer : 4. " 5.6"
Q: The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The observation is
1140 05ee05f683f1add232d8330fa
5ee05f683f1add232d8330fa- 120false
- 224false
- 326true
- 428false
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- SingleChoice
Answer : 3. "26 "
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? 1109 05d19e0457619fe30b9d34a66
5d19e0457619fe30b9d34a66- 175.7false
- 275.8false
- 375.9true
- 475.6false
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- SingleChoice
Answer : 3. "75.9"
Explanation :
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