Average Practice Question and Answer

Q:

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

1933 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 weight of three men is increased by 4 kg when one of them, whose weight is 100 kg, is replaced by another man. What is the weight of the new man? 

1918 0

  • 1
    107 kg
    Correct
    Wrong
  • 2
    103 kg
    Correct
    Wrong
  • 3
    104 kg
    Correct
    Wrong
  • 4
    112 kg
    Correct
    Wrong
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Answer : 4. "112 kg"

Q: The average of first three numbers is three times of the fourth number. If the average of all four numbers is 5, then find the fourth number. 1917 0

  • 1
    4.5
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 4. "4"
Explanation :

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Q: Average age of a couple before 4 years, at the time of their marriage was 27 years. Now, the average age of the couple including their new born baby is 21 years. Find the present age of the baby? 1914 0

  • 1
    4 years
    Correct
    Wrong
  • 2
    3 years
    Correct
    Wrong
  • 3
    2 years
    Correct
    Wrong
  • 4
    1 years
    Correct
    Wrong
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Answer : 4. "1 years"

Q:

30 pens and 75 pencils altogether were purchased for Rs .510. If the average price of a pencil was Rs. 2, what was the average price of a pen? 

1908 0

  • 1
    Rs. 11
    Correct
    Wrong
  • 2
    Rs. 12
    Correct
    Wrong
  • 3
    Rs. 9
    Correct
    Wrong
  • 4
    Rs. 10
    Correct
    Wrong
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Answer : 2. "Rs. 12"

Q:

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

1907 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:

What decimal of a week is an hour? 

1890 0

  • 1
    0.062
    Correct
    Wrong
  • 2
    0.059
    Correct
    Wrong
  • 3
    0.0059
    Correct
    Wrong
  • 4
    0.0062
    Correct
    Wrong
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Answer : 3. "0.0059 "

Q: The average of 5 consecutive odd numbers A, B, C, D and E is 45. What is the product of B and D? 1885 0

  • 1
    2107
    Correct
    Wrong
  • 2
    2205
    Correct
    Wrong
  • 3
    1935
    Correct
    Wrong
  • 4
    2021
    Correct
    Wrong
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Answer : 4. "2021"
Explanation :

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