Quiz Discussion

A cricketer has a certain average for 9 innings, In the tenth inning he scores 100 runs there by increasing his average by 8 runs. His new average is 

Course Name: Quantitative Aptitude

  • 1]

    28 runs

  • 2]

    24 runs

  • 3]

    32 runs

  • 4]

    20 runs

Solution
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# Quiz
1
Discuss

The average of six number is x and the average of three of these is y. the average of the remaining three is z, then 

  • 1]

    x=y+z

  • 2]

    2x=y+z

  • 3]

    x=2y+2z

  • 4]

    x=2yz

Solution
2
Discuss

There are three categories of jobs A, B and C. The average salary of the student who got the job of A and B categories is 26 lakh per annum. The average salary of the students who got the job of B and C category is 44 lakh per annum and the average salary of those students who got the job of A and C categories is 34 lakh per annum. The most appropriate (or closet) range of average salary of all the three categories (if it is known that each student gets only one category of jobs i.e. , A, B and C):

  • 1] lies between 30 and 44
  • 2] lies between 28 and 34
  • 3] lies between 34 and 44
  • 4] lies between 27 and 44
  • 5] None of these
Solution
3
Discuss

The average of X1, X2 and X3 is 14. Twice the sum of X2 and X3 is 30. What is the value of X1?

  • 1] 12
  • 2] 16
  • 3] 20
  • 4] 27
Solution
4
Discuss

A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points the team scored was :

  • 1] 672
  • 2] 665
  • 3] 645
  • 4] 588
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

The average temperature for Wednesday, Thursday and Friday was 40°C. The average for Thursday, Friday and Saturday was 41° C. If temperature on Saturday was 42° C, what was the temperature on Wednesday?

  • 1] 39° C
  • 2] 44° C
  • 3] 38° C
  • 4] 41° C
Solution
7
Discuss

The mean of 100 observations was calculated as 40. It was founder later on that one of the observation was misread as 83 instead of 53. The correct mean is :

  • 1] 39
  • 2] 39.7
  • 3] 40.3
  • 4] 42.7
Solution
8
Discuss

In the first 10 overs of a cricket game, the run rate was only 3.2. The run rate in the remaining 40 overs to reach the target of 282 run is :

  • 1] 6.4
  • 2] 6.3
  • 3] 6.25
  • 4] 6.5
Solution
9
Discuss

The average of the first 100 positive integers is-

  • 1] 49.5
  • 2] 50.5
  • 3] 51
  • 4] 100
Solution
10
Discuss

The average of 11 results is 60. If the average of first six results is 58 and that of last six is 63, find the 6th result-

  • 1] 66
  • 2] 55
  • 3] 64
  • 4] 68
Solution
# Quiz