Average Questions Practice Question and Answer
8 4 Q:
5dcba2f445ad6b59c82d8685 4 Answer : 1. "85 kg"
4 Answer : 1. "12 years"
4 Q:
5f2a63d3cef453383f1e3e14 4 Answer : 2. "11 years"
4 Q:
5f2a8829a5ce9779bd29853d 4 Answer : 1. "4500"
4 Answer : 3. "56 years "
Q: The average per day income of A, B and C is Rs. 450. If the average per day income of A and B be Rs. 400 and that of B and C be Rs. 430, the per day income of B is:
1932 05dcba2f445ad6b59c82d8685
5dcba2f445ad6b59c82d8685- 1Rs . 300false
- 2Rs . 310true
- 3Rs. 415false
- 4Rs . 425false
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Answer : 2. "Rs . 310 "
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? 1904 05d19d3907619fe30b9d34595
5d19d3907619fe30b9d34595- 185 kgtrue
- 284 kgfalse
- 382 kgfalse
- 480 kgfalse
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Answer : 1. "85 kg"
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? 1901 05d19d6201388cd24f0860eff
5d19d6201388cd24f0860eff- 112 yearstrue
- 214.5 yearsfalse
- 315 yearsfalse
- 417 yearsfalse
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Answer : 1. "12 years"
Explanation :
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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:
1899 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 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? 1887 05d19d5011388cd24f0860efa
5d19d5011388cd24f0860efa- 110 yearsfalse
- 211 yearstrue
- 39 yearsfalse
- 48 yearsfalse
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Answer : 2. "11 years"
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.
1862 05f2a8829a5ce9779bd29853d
5f2a8829a5ce9779bd29853d- 120true
- 225false
- 330false
- 435false
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Answer : 1. "20 "
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? 1850 15d19f4b07619fe30b9d34af4
5d19f4b07619fe30b9d34af4- 14500true
- 24600false
- 34680false
- 44710false
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Answer : 1. "4500"
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? 1848 05d19cf5a1388cd24f0860eef
5d19cf5a1388cd24f0860eef- 154 yearsfalse
- 255 yearsfalse
- 356 yearstrue
- 458 yearsfalse
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Answer : 3. "56 years "
Explanation :
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