Average Practice Question and Answer

Q:

Of the three numbers whose average is 60, the first is one-fourth of the sum of the whole number. The first number is: 

963 0

  • 1
    42
    Correct
    Wrong
  • 2
    45
    Correct
    Wrong
  • 3
    30
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
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Answer : 2. "45"

Q:

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55 and 60, then the average marks of all the students is: 

963 0

  • 1
    55
    Correct
    Wrong
  • 2
    54.68
    Correct
    Wrong
  • 3
    53.33
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "54.68 "

Q:

The average weight of 8 people is increased by 2 kg when a new person comes in place of the person who weighs 50 kg. What is the weight of the newcomer?

959 0

  • 1
    62 kg
    Correct
    Wrong
  • 2
    66 kg
    Correct
    Wrong
  • 3
    64 kg
    Correct
    Wrong
  • 4
    68 kg
    Correct
    Wrong
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Answer : 2. "66 kg "

Q:

Average of 21 number is 36. If the average of first 12 numbers is 15, then find the average of remaining 9 number?

954 0

  • 1
    64
    Correct
    Wrong
  • 2
    78
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
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Answer : 1. "64"

Q:

A man bought 13 articles at Rs. 70 each, 15 at Rs. 60 each and 12 at Rs. 65 each. The average price per article is 

943 0

  • 1
    Rs. 65.75
    Correct
    Wrong
  • 2
    Rs. 62.25
    Correct
    Wrong
  • 3
    Rs. 60.25
    Correct
    Wrong
  • 4
    Rs. 64.75
    Correct
    Wrong
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Answer : 4. "Rs. 64.75 "

Q:

The average of 5 numbers is 27. If one number is excluded, the average becomes 25. The excluded number is: 

941 0

  • 1
    30
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    27
    Correct
    Wrong
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Answer : 2. "35 "

Q:

If (a + b): (b + c): (c + a) = 5: 6: 9 and a + b + c = 10. What is the value of c?

941 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
  • Show Answer
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Answer : 2. "5"

Q:

The total average salary of 50 employees in a company is Rs 5,000. If there are 35 male employees among these employees whose average salary is Rs 6,000, then what will be the average salary of the remaining female employees?

941 0

  • 1
    2560.66
    Correct
    Wrong
  • 2
    2666.66
    Correct
    Wrong
  • 3
    2590
    Correct
    Wrong
  • 4
    2560.67
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 2. "2666.66"

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