Average (SSC) (Part-4)

Total Questions: 50

31. In an examination of 7 papers of 100 marks each, there were 3 mathematics papers, 2 English papers and 2 Hindi papers. D gets average marks of 45, 55 and 60 in mathematics, English and Hindi, respectively. What are the average marks per paper? [SSC CGL 26/07/2023 (4th shift)]

Correct Answer: (b) 52.1
Solution:

32. The average weight of 30 students in a class is 60 kg. If the weight of the class teacher is included, the average increases by 0.5 kg. The weight (in kg) of the teacher is: [Graduate Level 27/06/2023 (Shift-4)]

Correct Answer: (b) 75.5
Solution:Using deviation method, Weight of teacher = 60 + (31 × 0.5) = 75.5 kg.

33. In a company, the total customer calls on Monday, Wednesday and Friday are 15,500 and the total calls on Tuesday and Thursday are 12,500. The average calls on Saturday and Sunday are 7,000. What are the average calls per day in a week? [Matriculation Level 28/06/2023 (Shift-1)]

Correct Answer: (d) 6000
Solution:

34. A class of 40 students took a mathematics test. 18 students had an average score of 75. The other students had an average score of 62. What is the average score of the entire class? [Matriculation Level 30/06/2023 (Shift-3)]

Correct Answer: (a) 67.85
Solution:

35. What is the average marks of all the students if the average marks of three batches of 55, 60, and 45 students is 50, 55, and 60, respectively? [Matriculation Level 30/06/2023 (Shift-4)]

Correct Answer: (d) 54.68
Solution:

36. The average of the square of first five even natural numbers is: [SSC CHSL Tier II (26/06/2023)]

Correct Answer: (b) 44
Solution:

37. Average marks obtained by 19 boys of a college is 48. If the highest marks and lowest marks obtained are removed, then the average reduces by 4. What is the average of the highest and lowest marks obtained? [SSC MTS 03/05/2023 (Afternoon)]

Correct Answer: (d) 82
Solution:

38. The average of 24 numbers is 43. If we subtract a number 'M' from each number, then the average becomes 38. What was the value of M? [SSC MTS 04/05/2023 (Morning)]

Correct Answer: (b) 5
Solution:

39. The average expenditure of Raman for 5 days is Rs. 160. If his expenditure for the first 4 days is Rs. 90, Rs. 135, Rs. 75 and Rs. 180 respectively, then what is his expenditure on the 5th day? [SSC MTS 10/05/2023 (Morning)]

Correct Answer: (b) Rs.320
Solution:

40. Average of 4 numbers is 45. Average of first two numbers is thrice the Average of other two numbers. What is the sum of first two numbers? [SSC MTS 10/05/2023 (Afternoon)]

Correct Answer: (d) 135
Solution: