AVERAGE (CDS)

Total Questions: 23

1. (Questions 1-4) Read the following information and answer the given question in below [2019 (II) Evening Shift ]

The data shows that Indian roads are turning deadlier over the years.

What was the average number of pedestrians killed per day in the year 2017?

Correct Answer: (d) 56
Solution:

2. What is the average number of bikers killed daily in road accidents in the year 2017? [2019 (II) Evening Shift ]

Correct Answer: (d) 134
Solution:

3. What is the average number of cyclists killed daily in road accidents in 2017? [2019 (II) Evening Shift ]

Correct Answer: (a) 10
Solution:

4. A library has an average number of 510 visitors on Sunday and 240 on other days. What is the average number of visitors per day in a month of 30 days beginning with Saturday? [2019 (II) Evening Shift ]

Correct Answer: (c) 285
Solution:

5. In a class of 100 students, the average weight is 30 kg. If the average weight of the girls is 24 kg and that of the boys is 32 kg, then what is the number of girls in the class? [2019 (I) Morning Shift]

Correct Answer: (a) 25
Solution:



6. The average of 50 consecutive natural numbers is x. What will be the new average when the next four natural numbers are also included? [2019 (I) Morning Shift]

Correct Answer: (b) x + 2
Solution:

7. Consider two-digit numbers which remain the same when the digits interchange their positions. What is the average of such two-digit numbers? [2019 (I) Morning Shift]

Correct Answer: (c) 55
Solution:

8. The sum of ages of a father, a mother, a son Sonu and daughters Savita and Sonia is 96 year. Sonu is the youngest member of the family. The year Sonu was born, the sum of the ages of all the members of the family was 66 year. If the father’s age now is 6 times that of Sonu’s present age, then 12 year. Hence, the father’s age will be [2018 (II) Evening Shift ]

Correct Answer: (d) 48 year
Solution:

9. The average marks of section A are 65 and that of section B are 70. If the average marks of both the sections combined are 67, then the ratio of number of students of section A to that of section B is [2018 (II) Evening Shift ]

Correct Answer: (a) 3 : 2
Solution:Let the number of students in section A = x

10. If the average of 9 consecutive positive integers is 55, then what is the largest integer? [2018 (I) Morning Shift ]

Correct Answer: (c) 59
Solution:Let the consecutive integers be