Average (SSC) (Part-2)

Total Questions: 50

31. A commodity is made of two metals, A and B, which cost ₹35 per kg and ₹40 per kg, respectively, in the ratio of 2 : 3. What is the cost (in ₹) of 12 kilograms of this commodity? [SSC MTS 09/10/2024 (Morning)]

Correct Answer: (c) 456
Solution:

32. In a school, the average salary of 12 teachers was ₹71,400. If the average salary of the teachers, principal and vice principal was ₹89,500, then what was the average salary of the principal and vice principal (in ₹) ? [SSC MTS 14/10/2024 (Morning)]

Correct Answer: (c) 1,98,100
Solution:

33. The average age of a class of 65 boys is 14 years. The average age of 20 of them is 14 years, and the average age of another 15 boys is 12 years. What will be the average age (in years) of the remaining boys? [SSC MTS 14/10/2024 (Evening)]

Correct Answer: (a) 15
Solution:

34. The batting average of a cricket player for 40 innings is 60 runs. His highest score in an innings exceeds his lowest score by 110 runs. If these two innings are excluded, the average score of the remaining 38 innings is 58 runs. Find his highest score. [SSC MTS 15/10/2024 (Morning)]

Correct Answer: (b) 153
Solution:

35. The average of some natural numbers is 27. If 69 is added to the first number and 12 is subtracted from the last number, the average becomes 32.7, then the number of natural numbers is: [SSC MTS 18/10/2024 (Morning)]

Correct Answer: (d) 10
Solution:

36. Eight person went to a restaurant for lunch. Seven of them spent ₹80 each on their meals, while the eighth person spent ₹70 more than the average expenditure of all eight persons. What was the total amount spent by all the individuals ? [SSC MTS 18/10/2024 (Evening)]

Correct Answer: (d) ₹720
Solution:

37. If the average of 53 consecutive even numbers is 1280. Find the difference between the smallest and the largest number. [SSC MTS 21/10/2024 (Afternoon)]

Correct Answer: (d) 104
Solution:

38. The average age of a husband and wife, and their child 3 years ago, was 27 years, and that of the wife and the child 5 years ago was 20 years. The present age of the husband is: [SSC MTS 21/10/2024 (Evening)]

Correct Answer: (d) 40 years
Solution:

39. John has scored 60% in statistics and 70% in mathematics. A weightage of 2 is given to statistics and a weightage of 4 is given to mathematics. Which of the following expressions represents the weighted average of the two scores? [SSC MTS 22/10/202 (Afternoon)]

Correct Answer: (d)
Solution:

40. A family of seven minors and some adults has an average wheat consumption of 11.10 kg. The average consumption for minors is 5.5 kg per person, and for adults, it is 16 kg per person. Find the number of adults in the family. [SSC MTS 28/10/2024 (Morning)]

Correct Answer: (d) 8
Solution: