Quiz Discussion

Sachin Tendulkar has a certain average for 11 innings. In the 12th innings he scores 120 runs and thereby increases his average by 5 runs. His new average is :

Course Name: Quantitative Aptitude

  • 1] 60
  • 2] 62
  • 3] 65
  • 4] 66
Solution
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# Quiz
1
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
2
Discuss

Out of 20 boys, 6 are each of 1 m 15 cm height, 8 are of 1 m 10 cm and rest of 1 m 12 cm. The average height of all of them is :

  • 1] 1 m 12.1 cm
  • 2] 1 m 21.1 cm
  • 3] 1 m 21 cm
  • 4] 1 m 12 cm
Solution
3
Discuss

The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is :

  • 1] 58
  • 2] 56
  • 3] 50
  • 4] 46
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 mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is:

  • 1] 50
  • 2] 60
  • 3] 70
  • 4] 65
Solution
6
Discuss

The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by 1 kg. What was the teacher’s weight?

  • 1] 86 kg
  • 2] 64 kg
  • 3] 72 kg
  • 4] 84 kg
Solution
7
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
8
Discuss

The average score of a class of boys and girls in an examination is A. The ratio of boys and girls in the class is 3 : 1. If the average score of the boys is A + 1, the average score of the girls is-

  • 1] A - 1
  • 2] A - 3
  • 3] A + 1
  • 4] A + 3
Solution
9
Discuss

Find the average of 1.11, 0.01, 0.101, 0.001, 0.11 = ?

  • 1] 0.2664
  • 2] 0.2554
  • 3] 0.1264
  • 4] 0.1165
Solution
10
Discuss

A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is

  • 1]

    285

  • 2]

    276

  • 3]

    280

  • 4]

    290

Solution
# Quiz