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Quiz Discussion

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 :

Course Name: Quantitative Aptitude

  • 1] 33 years
  • 2] 39 years
  • 3] 45 years
  • 4] 40 years
Solution
No Solution Present Yet

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1
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
10
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
2
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
3
Discuss

The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is :

  • 1] 40 years
  • 2] 35 years
  • 3] 50 years
  • 4] None of the options
Solution
4
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
5
Discuss

Five years ago the average age of A, B, C, D was 45 years. By including X the present average of all the five is 49 years. Them the present age of X is-

  • 1] 40 years
  • 2] 45 years
  • 3] 48 years
  • 4] 64 years
Solution
6
Discuss

Find the average of all the numbers between 6 and 34 which are divisible by 5 -

  • 1] 18
  • 2] 20
  • 3] 24
  • 4] 30
Solution
7
Discuss

The average age of an adult class is 40 years. 12 new students with an average age of 32 years join the class, thereby decreasing the average by 4 years. The original strength of the class was-

  • 1] 10
  • 2] 11
  • 3] 12
  • 4] 15
Solution
8
Discuss

A student finds the average of 10, 2 digits numbers. If the digits of one of the numbers interchanged, the average increases by 3.6. The difference between the digits of the 2 digits number is :

  • 1] 4
  • 2] 3
  • 3] 2
  • 4] 5
Solution
9
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
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