Quiz Discussion

The average of 25 results is 18. The average of first 12 of those is 14 and the average of last 12 is 17. What is the 13th result?

 

Course Name: Quantitative Aptitude

  • 1] 74
  • 2] 75
  • 3] 69
  • 4] 78
Solution
No Solution Present Yet

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# Quiz
1
Discuss

Average of two numbers is 8 and average of other three numbers is 3; the average of the five numbers is :

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

The average age of husband and his wife was 23 years at the time of their marriage. After five tears they have a one-year old child. The average age of the family of three, when the child was born, was-

  • 1] 23 years
  • 2] 24 years
  • 3] 18 years
  • 4] 20 years
Solution
3
Discuss

There were 35 students in a hostel. Due to the admission of 7 new student, 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]

    432

  • 2]

    442

  • 3]

    420

  • 4]

    415

Solution
4
Discuss

The average of runs of a cricket player of 10 innings was 32. How many runes must be made in his next innings so as to increase his average of runs by 4?

  • 1] 72
  • 2] 74
  • 3] 70
  • 4] 76
Solution
5
Discuss

The average weight of 10 oarsmen in a boat is increased by 1.5kg when one of the crew who weighs 58kg is replaced by a new man.

  • 1]

    73 Kg

  • 2]

    64 Kg

  • 3]

    12 Kg

  • 4]

    34 Kg

Solution
6
Discuss

The average of the largest and smallest 3 digits numbers formed by 0, 2 and 4 would be :

  • 1] 312
  • 2] 222
  • 3] 213
  • 4] 303
Solution
7
Discuss

In Arun's opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thinks that Arun's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arun?

  • 1] 67 kg.
  • 2] 68 kg.
  • 3] 69 kg.
  • 4] Data inadequate
Solution
8
Discuss

In a family, the average age of a father and a mother is 35 years. The average age of the father, mother and their only son is 27 years. What is the age of the son?

  • 1] 10 years
  • 2] 10.5 years
  • 3] 11 years
  • 4] 12 years
Solution
9
Discuss

In a primary school the average weight of male students is 65.9 kg and the average weight of female students is 57 kg. If the average weight of all the students ( both male and female ) is 60.3 kg and the number of male students in the school is 66, what is the number of female students in the school?

  • 1] 162
  • 2] 168
  • 3] 180
  • 4] 112
Solution
10
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
# Quiz