Quiz Discussion

The average of 10 items was found to be 80 but while calculating, one of the items was counted as 60 instead of 50. Then the correct average would have been :

Course Name: Quantitative Aptitude

  • 1] 69
  • 2] 79.25
  • 3] 79
  • 4] 79.5
Solution
No Solution Present Yet

Top 5 Similar Quiz - Based On AI&ML

Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api

# Quiz
1
Discuss

The average expenditure of a man for the first five months is Rs. 1200 and for the next seven months is Rs. 1300. If he saves Rs. 2900 in that year, his monthly average income is-

  • 1] Rs. 1500
  • 2] Rs. 1600
  • 3] Rs. 1700
  • 4] Rs. 1400
Solution
2
Discuss

Find the average of first 97 natural numbers.

 

  • 1] 47
  • 2] 37
  • 3] 48
  • 4] 49
  • 5] 49.5
Solution
3
Discuss

The average of 20 students is 12 years, if the teacher's age is included, average increases by one. The age of the teacher is:

  • 1] 30 years
  • 2] 33 years
  • 3] 28 years
  • 4] 35 years
Solution
4
Discuss

A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.

  • 1]

    40

  • 2]

    39

  • 3]

    52

  • 4]

    55

Solution
5
Discuss

The mean weight of 34 students of a school is 42 kg. If the weight of the teacher be included, the mean rises by 400 grams. Find the weight of the teacher (in kg.)

  • 1] 55 kg
  • 2] 57 kg
  • 3] 66 kg
  • 4] 56 kg
Solution
6
Discuss

There are two sections A and B of a class, consisting of 36 and 44 students' respectively. If the average weight of section A is 40kg and that of section B is 35kg, find the average weight of the whole class.

  • 1] 30 kg
  • 2] 35 kg
  • 3] 42.5 kg
  • 4] 37.25 kg
Solution
7
Discuss

The average annual income (in Rs.) of certain agricultural workers is S and that of other workers is T. The number of agricultural workers is 11 times that of other workers. Then the average monthly income (in Rs.) of all the workers is 

  • 1]

    (S+T)/2

  • 2]

    (S+11T)/2

  • 3]

    (1/11S)+T

  • 4]

    (11S+T)/12

Solution
8
Discuss

Sachin Tendulkar has a certain average for 11 innings. In the 12th innings he scores 120 runs and thereby increases his average by 5 runs. His new average is :

  • 1] 60
  • 2] 62
  • 3] 65
  • 4] 66
Solution
9
Discuss

Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 yr. How old is E?

 

  • 1] 25 years
  • 2] 40 years
  • 3] 45 years
  • 4] 64 years
Solution
10
Discuss

The average price of 10 books is Rs.12 while the average price of 8 of these books is Rs.11.75. Of the remaining two books, if the price of one book is 60% more than the price of the other, what is the price of each of these two books?

  • 1] Rs. 5, Rs.7.50
  • 2] Rs. 8, Rs. 12
  • 3] Rs. 16, Rs. 10
  • 4] Rs. 12, Rs. 14
Solution
# Quiz