Average (SSC) (Part-6)

Total Questions: 50

31. During his entire school life, John’s average marks in science was 80% and his average marks in mathematics was 90%. If his combined average marks in science and mathematics was 84%, while the total marks obtained by him in science was 54,000, what was John’s total marks obtained in mathematics were? [SSC CHSL 02/06/2022 (Evening)]

Correct Answer: (c) 36000
Solution:

32. A group of 36 students has an average present age of 14 years. When the age of the teacher is included, the the average age rises by one. Calculate the teacher’s age (in years). [SSC CHSL 03/06/2022 (Morning)]

Correct Answer: (d) 51
Solution:

33. The average score of a cricket team (of ten players and one captain) is 32. The scores of ten players are: 22, 11, 5, 34, 21, 32, 0, 28, 9 and 53. What is the score of the captain? [SSC CHSL 06/06/2022 (Morning)]

Correct Answer: (b) 137
Solution:

34. The average of five numbers, given in a particular order, is 32. The average of the first three numbers is 28, while that of the last three numbers is 34. What is the average of the first two numbers? [SSC CHSL 07/06/2022 (Afternoon)]

Correct Answer: (a) 29
Solution:

35. The average salary per head of all the workers in a workshop is ₹8,850. If the average salary per head of 9 technicians is ₹10,000, and the average salary per head of the rest is ₹7,780, find the total number of workers in the workshop. (Consider integral part only) [SSC CHSL 07/06/2022 (Afternoon)]

Correct Answer: (a) 18
Solution:

36. The average monthly expenditure of a family for the first four months is ₹13,750, for the next three months is ₹11,750 and for the last five months is ₹31,750. If the family saves ₹15,550 during the whole year, find the average monthly income of the family during the year. (Consider integral part only) [SSC CHSL 10/06/2022 (Afternoon)]

Correct Answer: (b) 22,045
Solution:

37. The average weight of P and his three friends is 55 kg. If P is 4 kg more than the average weight of his three friends, what is P’s weight (in kg)? [SSC CGL 11/04/2022 (Morning)]

Correct Answer: (b) 58
Solution:

38. The average of sixteen numbers is 48. The average of the first six of these numbers is 45 and that of the last seven numbers is 53. The seventh and the eighth numbers are, respectively, 3 and 7 greater than the ninth number. What is the average of the ninth and seventh numbers? [SSC CGL 13/04/2022 (Afternoon)]

Correct Answer: (b) 40.5
Solution:

39. A invested 30% more than B. B invested 40% less than C, who invested Rs. 8,000. The average of the total amount invested by all of them together (to the nearest Rs.) is: [SSC CGL 19/4/2022 (Morning)]

Correct Answer: (a) 6,347
Solution:

40. The average of eleven consecutive positive integers is d. If the last two numbers are excluded, by how much will the average increase or decrease? [SSC CGL 20/04/2022 (Morning)]

Correct Answer: (a) Will decrease by 1
Solution: