Average Practice Question and Answer

Q:

Find the average of the following set of numbers.
132, 148, 164, 128, 120, 136

1064 0

  • 1
    138
    Correct
    Wrong
  • 2
    144
    Correct
    Wrong
  • 3
    142
    Correct
    Wrong
  • 4
    136
    Correct
    Wrong
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Answer : 1. "138"

Q:

The average of 5 consecutive integers starting with ‘M’ is ‘K’. What is the average of 6 consecutive integers stating with (m+1)?

1058 0

  • 1
    $$ {2K-3}\over 2$$
    Correct
    Wrong
  • 2
    $$ {2K+3}\over 2$$
    Correct
    Wrong
  • 3
    $$ {2K-5}\over 2$$
    Correct
    Wrong
  • 4
    $$ {2K+5}\over 2$$
    Correct
    Wrong
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Answer : 2. "$$ {2K+3}\over 2$$"

Q:

The average price of three furniture items is Rs 15,000. If the ratio of their prices is 3: 5: 7, then the cheapest furniture price is-

1053 0

  • 1
    Rs. 9000
    Correct
    Wrong
  • 2
    Rs.15,000
    Correct
    Wrong
  • 3
    Rs. 18,000
    Correct
    Wrong
  • 4
    Rs. 21,000
    Correct
    Wrong
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Answer : 1. "Rs. 9000 "

Q:

The average weight of Sudesh, Jyothi and Ritu is 89 kg. If the average weight of Sudesh and Jyothi be 98 kg and that of Jyothi and Ritu be 83 kg, then the weight of Jyothi is

1051 0

  • 1
    58
    Correct
    Wrong
  • 2
    56
    Correct
    Wrong
  • 3
    66
    Correct
    Wrong
  • 4
    95
    Correct
    Wrong
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Answer : 4. "95"

Q:

The average weight of A B and C is 40 kg . if the average weight of A and B be 48 kg and that of B and C be 45 kg , then find the weight of B ?

1051 0

  • 1
    58
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 2. "60 "

Q:

A company produces an average of 4000 items per month for the first 3 months. How much items, it must produce on an average per month over the next 9 months to get average of 4375 items per month over the whole year? 

1042 0

  • 1
    4680
    Correct
    Wrong
  • 2
    4710
    Correct
    Wrong
  • 3
    4500
    Correct
    Wrong
  • 4
    4600
    Correct
    Wrong
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Answer : 3. "4500 "

Q:

In a class of 66 students there are 33 girls. The average weight of these girls is 61 Kg and average weight of the full class is 66 kgs. What is the average weight of the boys of the class?

1027 0

  • 1
    71
    Correct
    Wrong
  • 2
    72
    Correct
    Wrong
  • 3
    73
    Correct
    Wrong
  • 4
    69
    Correct
    Wrong
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Answer : 1. "71"

Q: The average of nine numbers is 30. The average of first five numbers is 25 and that of for last three numbers is 35, then what will be sixth number? 1026 0

  • 1
    20
    Correct
    Wrong
  • 2
    30
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 3. "40"
Explanation :

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