Average Questions Practice Question and Answer

Q:

Find the average of all prime numbers between 30 and 50.

1476 0

  • 1
    41.8
    Correct
    Wrong
  • 2
    38.8
    Correct
    Wrong
  • 3
    37.8
    Correct
    Wrong
  • 4
    39.8
    Correct
    Wrong
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Answer : 4. "39.8"

Q:

Ram has 5 daughters. The average age of these 5 sisters is 28 years. The youngest one is 16 years old. What was the average age of the 4 daughters before the youngest one was born?

1468 0

  • 1
    28 years
    Correct
    Wrong
  • 2
    15 years
    Correct
    Wrong
  • 3
    31 years
    Correct
    Wrong
  • 4
    16 years
    Correct
    Wrong
  • 5
    20 years
    Correct
    Wrong
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Answer : 2. "15 years"

Q:

In a certain year, the average monthly income of a person was Rs.3,400. For the first eight months of the years, his average monthly income was Rs. 3,160 and for the last five months, it was Rs.4,120. His income in the eighth month of the year was: 

1467 0

  • 1
    Rs . 3,160
    Correct
    Wrong
  • 2
    Rs . 5,080
    Correct
    Wrong
  • 3
    Rs . 15,520
    Correct
    Wrong
  • 4
    Rs . 5, 520
    Correct
    Wrong
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Answer : 2. "Rs . 5,080 "

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

1463 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 of 8 numbers is 38.4. Out of these numbers, the average of 7 number is 39.2. The 8th numbers

1448 1

  • 1
    33.7
    Correct
    Wrong
  • 2
    31.5
    Correct
    Wrong
  • 3
    35.2
    Correct
    Wrong
  • 4
    32.8
    Correct
    Wrong
  • 5
    34.5
    Correct
    Wrong
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Answer : 4. "32.8 "

Q:

Directions: Given table shows the data of population in 5 different parks. Study the data carefully and answer the questions.

If 30 females from each park are above 80 years age then find the average of no. of females who are below or equal to the age of 80 years from all the parks.

1440 0

  • 1
    295
    Correct
    Wrong
  • 2
    285
    Correct
    Wrong
  • 3
    300
    Correct
    Wrong
  • 4
    280
    Correct
    Wrong
  • 5
    290
    Correct
    Wrong
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Answer : 3. "300"

Q:

The average of three consecutive odd numbers is 12 more than one third of the first of these numbers. What is the last of the three numbers?

1430 0

  • 1
    19
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    15
    Correct
    Wrong
  • 4
    17
    Correct
    Wrong
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Answer : 1. "19 "

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? 1429 0

  • 1
    10 years
    Correct
    Wrong
  • 2
    11 years
    Correct
    Wrong
  • 3
    9 years
    Correct
    Wrong
  • 4
    8 years
    Correct
    Wrong
  • Show Answer
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Answer : 2. "11 years"
Explanation :

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