Quiz Discussion

a, b, c, d, e, f, g are consecutive even numbers. j, k, l, m, n are consecutive odd numbers. The average of all the numbers is :

Course Name: Quantitative Aptitude

  • 1]

    \(3\left( {\frac{{a + n}}{2}} \right)\)

  • 2]

    \(\left( {\frac{{1 + d}}{2}} \right)\)

  • 3]

    \(\left( {\frac{{a + b + m + n}}{4}} \right)\)

  • 4]

    \(3\left( {\frac{{j + c + n +g}}{4}} \right)\)

Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. What is the difference between the ages of the replaced and the new member?

  • 1] 2 years
  • 2] 4 years
  • 3] 8 years
  • 4] 15 years
Solution
3
Discuss

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 -

  • 1] 50
  • 2] 52
  • 3] 60
  • 4] 74
Solution
4
Discuss

A set A consists of integers 27, 28, 30 and 33. If integer k is included in the set, the average of set A will increase by 30%. What is the value of integer k ?

  • 1] 68
  • 2] 79
  • 3] 73.75
  • 4] 75.25
Solution
5
Discuss

The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is-

  • 1] 45
  • 2] 50
  • 3] 51.4 approx
  • 4] 54.6 approx
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

19 people went to a hotel for combine dinner party 13 of them spent Rs. 79 each on their dinner and rest spent 4 more than the average expenditure of all the 19. What was the total money spent by them.

  • 1] 1628.4
  • 2] 1534
  • 3] 1492
  • 4] 1496
  • 5] None of these
Solution
8
Discuss

The average weight of A, B and C is 40 kgs. Weight of C is 24 kgs more than A’s weight and 3 kgs less than B’s weight. What will be the average weight of A, B, C and D, if D weights 15 kgs less than C?

  • 1] 42 kgs
  • 2] 40 kgs
  • 3] 36 kgs
  • 4] 38 kgs
Solution
9
Discuss

The average of five different positive numbers is 25. x is the decrease in the average when the smallest number among them is replaced by 0. What can be said about x?

  • 1] x is less than 5
  • 2] x is greater than 5
  • 3] x is equal to 5
  • 4] Cannot be determined
Solution
10
Discuss

Find the average of 1.11, 0.01, 0.101, 0.001, 0.11 = ?

  • 1] 0.2664
  • 2] 0.2554
  • 3] 0.1264
  • 4] 0.1165
Solution
# Quiz