Average Questions Practice Question and Answer
8 4 Answer : 2. "11 years"
4 Q:
5f2a82b5a5ce9779bd296c40 4 Q:
5f2a63d3cef453383f1e3e14 4 Answer : 1. "85 kg"
4 Q:
5f2a8829a5ce9779bd29853d 4 Answer : 1. "12 years"
4 Answer : 1. "4500"
4 Q:
5f3f98a89b782961da39381e
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? 2094 05d19d5011388cd24f0860efa
5d19d5011388cd24f0860efa- 110 yearsfalse
- 211 yearstrue
- 39 yearsfalse
- 48 yearsfalse
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- SingleChoice
Answer : 2. "11 years"
Explanation :
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Q: In the afternoon, a student read 100 pages at the rate of 60 pages per hour. In the evening, when she was tired, she read 100 more pages at the rate of 40 pages per hour. What was her average rate of reading the pages per hour?
2081 05f2a82b5a5ce9779bd296c40
5f2a82b5a5ce9779bd296c40- 148true
- 250false
- 360false
- 470false
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- SingleChoice
Answer : 1. "48 "
Q: a, b, c, d, e, f, g are consecutive even numbers. j, k, l, m, n are consecutive odd numbers. The average of all the numbers is:
2071 05f2a63d3cef453383f1e3e14
5f2a63d3cef453383f1e3e14- 1$${\left(a+b+m+n\over 4 \right)}$$false
- 2$${\left(j+c+n+g\over 4 \right)}$$false
- 3$$3{\left(a+n\over 2 \right)}$$false
- 4$${\left(l+d\over 2 \right)}$$true
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Answer : 4. "$${\left(l+d\over 2 \right)}$$ "
Q: Average weight of 10 men increases by 3.5 kg when a man of 50 kg is replaced by a new man what is the age of new person? 2057 05d19d3907619fe30b9d34595
5d19d3907619fe30b9d34595- 185 kgtrue
- 284 kgfalse
- 382 kgfalse
- 480 kgfalse
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- SingleChoice
Answer : 1. "85 kg"
Explanation :
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Q: There are 100 students in 3 sections A, B and C of a class. The average marks of all the 3 sections was 84. The average of B and C was 87.5 and the average marks of A is 70. The number of students in A was.
2036 05f2a8829a5ce9779bd29853d
5f2a8829a5ce9779bd29853d- 120true
- 225false
- 330false
- 435false
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- Workspace
- SingleChoice
Answer : 1. "20 "
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? 2025 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: 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? 2012 15d19f4b07619fe30b9d34af4
5d19f4b07619fe30b9d34af4- 14500true
- 24600false
- 34680false
- 44710false
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- SingleChoice
Answer : 1. "4500"
Explanation :
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Q: Find the average of all prime numbers between 30 and 50.
2009 05f3f98a89b782961da39381e
5f3f98a89b782961da39381e- 141.8false
- 238.8false
- 337.8false
- 439.8true
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- Workspace
- SingleChoice
Answer : 4. "39.8"
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