Quiz Discussion

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?

Course Name: Quantitative Aptitude

  • 1] 42 kgs
  • 2] 40 kgs
  • 3] 36 kgs
  • 4] 38 kgs
Solution
No Solution Present Yet

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# Quiz
1
Discuss

The average sale of car dealership was 15 cars per week. After a promotional scheme the average sale increased to 21 cars per week. The percentage increased in the sale of cars was-

  • 1]

    39.33%

  • 2]

    40%

  • 3]

    \(42\frac{6}{7}\)%

  • 4]

    140%

Solution
2
Discuss

The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is-

  • 1] Rs. 3500
  • 2] Rs. 4000
  • 3] Rs. 4050
  • 4] Rs. 5000
Solution
3
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
4
Discuss

The mean high temperature of the first four days of a week is 25°C whereas the mean of the last four days is 25.5°C. If the mean of the whole week is 25.2°C then the temperature of the 4th day is :

  • 1] 25°C
  • 2] 25.2°C
  • 3] 25.6°C
  • 4] 25.5°C
Solution
5
Discuss

The average age of group of 20 girls is 15 years and that of another group of 25 boys it is 24 years. The average age of the two groups mixed together is :

  • 1] 19.5 yearas
  • 2] 20 years
  • 3] 21 yearas
  • 4] 21.5 years
Solution
6
Discuss

A shop of electronic goods is closed on Monday. The average daily sales for remaining six days of a week is Rs. 15,640 and the average sale of Tuesday to Saturday is Rs. 14,124. The sales on Sunday is -

  • 1] Rs. 20,188
  • 2] Data inadequate
  • 3] Rs. 23,220
  • 4] Rs. 21,704
Solution
7
Discuss

Find the average of the first 40 natural numbers.

  • 1]

    21

  • 2]

    20.5

  • 3]

    21.5

  • 4]

    None Of These

Solution
8
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
9
Discuss

A batsman makes a score of 270 runs in the 87th inning and thus increase his average by a certain number of runs that is a whole number. Find the possible values of the new average.

  • 1] 98
  • 2] 184
  • 3] 12
  • 4] All of these
  • 5] None of these
Solution
10
Discuss

3 years age, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is same today. The present age of the baby is :

  • 1]

    1 years

  • 2]

    \(1\frac{1}{2} \)years

  • 3]

    2 years

  • 4]

    3 years

Solution
# Quiz