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SSC CGL - SPLessons
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SSC CGL Average Questions

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SSC CGL Average Questions

SSC CGL Average Questions

There are 0-1 Average Questions will be asked in SSC CGL Tier 1 Exam. Below are the frequently asked Questions in SSC CGL Tier 1 Exam.


shape Questions

1. The average height of 40 students in a class is 163 cm. When the school opened after the vacation, three students were absent and the average height of the students present was found to be 162 cm. If the heights of the two students absent were equal to each other, and the height of the third absent student was 2 cm less than either of other two, what was the height of the third absent student?
  1. 170 cm
  2. 171 cm
  3. 173 cm
  4. 174 cm
Answer: D
2. The average of three numbers is 42. The first is twice the second and the second is twice the third. What is the difference between the largest and the smallest number?
  1. 42
  2. 48
  3. 54
  4. 59
Answer: C
3. If ages of three boys are in the ratio of 3 : 5 : 7 at an average of 15 years, the age of the youngest boy is,
  1. 2 years
  2. 5 years
  3. 9 years
  4. 9 years 3 months
Answer: C
4. The average of first three numbers out of four numbers is 15, and that of last three is 16. If the last number is 19 what is the first number?
  1. 12
  2. 14
  3. 15
  4. 16
Answer: D
5. The first number out of three is twice the second and half the third. If the average of the three numbers is 56, than what is the largest number?
  1. 45
  2. 52
  3. 96
  4. 102
Answer: C
6. The average marks of 50 students in a class is 72. The average marks of boys and girls in that subject are 70 and 75 respectively. The number of boys in the class is:
  1. 10
  2. 20
  3. 30
  4. 35
Answer: C
7. There are 30 students in a class. The average age of first 10 students is 12.5 years. The average age of the remaining 20 students is 13.1 years. The average age (in years) of the students of the whole class is:
  1. 11.5 years
  2. 12.8 years
  3. 13.4 years
  4. 12.9 years
Answer: D
8. Five years ago, the average age of P and Q was 25. The average age of P, Q and R today is 25. Age of R after 5 years will be
  1. 10 years
  2. 15 years
  3. 20 years
  4. 30 years
Answer: C
9. The average age of 40 students of a class is 15 years. When 10 new students are admitted, the average is increased by 0.2 years. The average age of the new students is:
  1. 15 years
  2. 16 years
  3. 17 years
  4. 18 years
Answer: B
10. The average of 100 numbers is 44. The average of these 100 numbers and 4 others new numbers is 50. The average of the four new numbers will be:
  1. 100
  2. 200
  3. 300
  4. 400
Answer: B
11. 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. 50
  2. 56
  3. 60
  4. 70
Answer: B
12. 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 years
  2. 20 years
  3. 21 years
  4. 22 years
Answer: B
13. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?
  1. 21 years
  2. 22 years
  3. 23 years
  4. 24 years
Answer: C
14. The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is:
  1. 3000
  2. 4000
  3. 5000
  4. 6000
Answer: B
15. 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. 35 years
  2. 40 years
  3. 45 years
  4. 50 years
Answer: B
16. A car owner buys petrol at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year?
  1. Rs. 8
  2. Rs. 9
  3. Rs. 7.98
  4. Rs. 8.50
Answer: C
17. Average of first five multiples of 3 is
  1. 9
  2. 10
  3. 11
  4. 12
Answer: A
18. Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average age of all
  1. 6
  2. 7
  3. 8
  4. Can’t be determined
Answer: D
19. Average of all prime numbers between 30 to 50
  1. 35
  2. 36
  3. 37
  4. 39.8
Answer: D
20. If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is
  1. 54.48
  2. 54.68
  3. 55.21
  4. 57.56
Answer: B
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