Average Practice Question and Answer

Q:

Rohit purchased 12 kg of oranges for a total price of ₹480 and 18 kg of guavas at 30 per kg. What cost of the fruits purchased by Rohit?

1585 0

  • 1
    36.00
    Correct
    Wrong
  • 2
    34.00
    Correct
    Wrong
  • 3
    37.20
    Correct
    Wrong
  • 4
    38.20
    Correct
    Wrong
  • Show Answer
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Answer : 2. "34.00"

Q:

The average of eleven numbers is 68. The average of the first numbers is 78 and that of the next four number is 63. The 9th number is two time the 11th number and the 10th number is 4 less than the 11th number. What is the average of the 9th and 11th numbers?

1583 0

  • 1
    70.1
    Correct
    Wrong
  • 2
    70.5
    Correct
    Wrong
  • 3
    72.6
    Correct
    Wrong
  • 4
    72.2
    Correct
    Wrong
  • Show Answer
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Answer : 2. "70.5"

Q:

A cricketer had a certain average of runs for his 64 innings. In his 65th innings, he is bowled out for no score on his part. This brings down his average by 2 runs. His new average of runs is: 

1582 0

  • 1
    70
    Correct
    Wrong
  • 2
    68
    Correct
    Wrong
  • 3
    130
    Correct
    Wrong
  • 4
    128
    Correct
    Wrong
  • Show Answer
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Answer : 4. "128 "

Q:

The average of 10 numbers is calculated as 15. It is discovered later on that while calculating the average one number, namely 36, was wrongly read as 26. The correct average is: 

1565 0

  • 1
    16
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    18
    Correct
    Wrong
  • Show Answer
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Answer : 1. "16 "

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? 1540 0

  • 1
    85 kg
    Correct
    Wrong
  • 2
    84 kg
    Correct
    Wrong
  • 3
    82 kg
    Correct
    Wrong
  • 4
    80 kg
    Correct
    Wrong
  • Show Answer
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Answer : 1. "85 kg"
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. 

1540 0

  • 1
    20
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    30
    Correct
    Wrong
  • 4
    35
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 1. "20 "

  • Show Answer
  • Workspace

Answer : 3. "39"

Q: The average salary of all employees working in an office is Rs.8000. The average salary of 7 technicians is Rs 12000 and the average salary of rest of the workers is Rs.6000. The total no. of workers working in that office is- 1526 0

  • 1
    20
    Correct
    Wrong
  • 2
    21
    Correct
    Wrong
  • 3
    23
    Correct
    Wrong
  • 4
    22
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 2. "21"
Explanation :

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