Quiz Discussion

The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager?

Course Name: Quantitative Aptitude

  • 1] 640
  • 2] 690
  • 3] 420
  • 4] 570
Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

Total expenses of a boarding house are partly fixed and partly varying linearly with the number of boarders. The average expense per boarder is Rs. 700 when there are 25 boarders and Rs. 600 when there are 50 boarders. What is the average expense per boarder when there are 100 boarders?

  • 1] Rs. 540
  • 2] Rs. 550
  • 3] Rs. 570
  • 4] Rs. 580
Solution
3
Discuss

Ajit has a certain average for 9 innings. In the tenth innings, he scores 100 runs thereby increasing his average by 8 runs. His new average is:

  • 1] 20
  • 2] 21
  • 3] 28
  • 4] 32
Solution
4
Discuss

The average of the ages of Sumit, Krishna and Rishabh is 43 and the average of the ages of Sumit, Rishabh and Rohit is 49. If Rohit is 54 years old, what is Krishna’s age?

  • 1] 24 years
  • 2] 36 years
  • 3] 45 years
  • 4] Cannot be determined
  • 5] None of these
Solution
5
Discuss

The present age of a father is 3 years more than three times the age of his son. Three years hence, father's age will be 10 years more than twice the age of the son. The father's age is :

  • 1] 33 years
  • 2] 39 years
  • 3] 45 years
  • 4] 40 years
Solution
6
Discuss

The average age of a class is 15.8 years. The average age of the boys in the class is 16.4 years while that of the girls is 15.4 years. What is the ratio of boys to girls in the class?

  • 1]

    1:2

  • 2]

    2:3

  • 3]

    3:4

  • 4]

    3:5

Solution
7
Discuss

A library has an average of 510 visitors on Sundays and 240 on other days. What is the average number of visitors per day in the month of June beginning with a Sunday?

  • 1] 276
  • 2] 280
  • 3] 285
  • 4] 250
Solution
8
Discuss

Distance between two stations A and B is 778km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of train during the whole journey.

  • 1]

    60 km/hr

  • 2]

    30.5 km/hr

  • 3]

    57 km/hr

  • 4]

    67.2 km/hr

Solution
9
Discuss

The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?

 

  • 1] 3
  • 2] 4
  • 3] 5
  • 4] 6
  • 5] 7
Solution
10
Discuss

The average age of the boys in a class is 16 years and that of the girls is 15 years. The average age for the whole class is-

  • 1] 15 years
  • 2] 15.5 years
  • 3] 16 years
  • 4] Cannot be computed with the given information
Solution
# Quiz