Quiz Discussion

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.

Course Name: Quantitative Aptitude

  • 1] 40
  • 2] 39
  • 3] 52
  • 4] 55
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A train covers the first 16 km at a speed of 20 km per hour another 20 km at 40 km per hour and the last 10 km at 15 km per hour. Find the average speed for the entire journey.

 

  • 1]

    24 km

  • 2]

    26 km

  • 3]

    21 km

  • 4]

    km

Solution
2
Discuss

The average age of P, Q and R is 15 years more than R's age. If the total age of P and Q together is 39 years, then R's age is ?

  • 1] 12 years
  • 2] 24 years
  • 3] 16 years
  • 4] 14 years
Solution
3
Discuss

In a set of three numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?

  • 1] 2
  • 2] 2.5
  • 3] 3
  • 4] 3.5
Solution
4
Discuss

The average weight of 47 balls is 4 g. if the weight of the bag (in which the balls are kept) be included; the calculated average weight per ball increases by 0.3 g. What is the weight of the bag?

  • 1] 14.8 g
  • 2] 14.4 g
  • 3] 15 g
  • 4] 18.6 g
  • 5] None of these
Solution
5
Discuss

The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ratio of the number of boys to the number of girls in the class is-

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

The average score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches is 42, then find the average for the last four matches.

  • 1] 33.25
  • 2] 33.5
  • 3] 34.25
  • 4] 35
Solution
7
Discuss

The average age of 30 students of a class is 14 years 4 months. After admission of 5 new students in the class the average becomes 13 years 9 months. The youngest one of the five new students is 9 years 11 months old. The average age of the remaining 4 new students is :

  • 1] 10 years 4 months
  • 2] 12 years 4 months
  • 3] 11 years 2 months
  • 4] 13 years 6 months
Solution
8
Discuss

The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?

  • 1]

    0

  • 2]

    -1

  • 3]

    1

  • 4]

    None Of These

Solution
9
Discuss

The average of five different positive numbers is 25. x is the decrease in the average when the smallest number among them is replaced by 0. What can be said about x?

  • 1] x is less than 5
  • 2] x is greater than 5
  • 3] x is equal to 5
  • 4] Cannot be determined
Solution
10
Discuss

A man started his journey from Lucknow to Kolkata, which is 200 km, at the speed of 40 kmph then he went to Banglore which is 300 km, at the speed of 20 kmph. Further he went to Ahmedabad which is 500 km, at the speed of 10 kmph. The average speed of the man is :

  • 1]

    kmph

  • 2]

    Kmph

  • 3]

    15.6 kmph

  • 4]

    16.1 kmph

Solution
# Quiz