Quiz Discussion

In an exam, the average marks obtained by Jhon in English, Math, Hindi and Drawing were 50. His average mark in Maths, Science, Social Studies and Craft were 70. If the average mark in all seven subjects is 58, his score in Maths was -

Course Name: Quantitative Aptitude

  • 1] 50
  • 2] 52
  • 3] 60
  • 4] 74
Solution
No Solution Present Yet

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# Quiz
1
Discuss

The average age of a family of 10 members is 20 years. If the age of the youngest member of the family is 10 years, then the average age of the members of the family just before the birth of the youngest member was approximately.

  • 1]

    27.14 years

  • 2]

    12.5 years

  • 3]

    14.28 years

  • 4]

    \(11\frac{1}{9}\) years

Solution
2
Discuss

A cricketer has a certain average for 9 innings, In the tenth inning he scores 100 runs there by increasing his average by 8 runs. His new average is 

  • 1]

    28 runs

  • 2]

    24 runs

  • 3]

    32 runs

  • 4]

    20 runs

Solution
3
Discuss

The average salary of all the workers in a workshop is Rs.8000. The average salary of 7 technicians is Rs.12000 and the average salary of the rest is Rs.6000. The total number of workers in the workshop is

  • 1]

    20

  • 2]

    21

  • 3]

    22

  • 4]

    23

Solution
4
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
5
Discuss

The average of nine number is 50. The average of first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is :

  • 1] 30
  • 2] 34
  • 3] 24
  • 4] 44
Solution
6
Discuss

A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the entire school.

  • 1] 56%
  • 2] 76%
  • 3] 34%
  • 4] 66%
  • 5] None of these
Solution
7
Discuss

There were 35 students in a hostel. Due to the admission of 7 new students the expenses of the mess were increased by Rs.42 per day while the average expenditure per head diminished by Re 1. What was the original expenditure of the mess?

  • 1] Rs. 450
  • 2] Rs. 320
  • 3] Rs. 550
  • 4] Rs. 420
Solution
8
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
9
Discuss

The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is:

  • 1] 50
  • 2] 60
  • 3] 70
  • 4] 65
Solution
10
Discuss

A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points the team scored was :

  • 1] 672
  • 2] 665
  • 3] 645
  • 4] 588
Solution
# Quiz