11)

If the average of 20, 25,(p + 1), (2p + 5) and (p + 11) is 22, then the value of p is :

SSC Selection Post Matric 2022

A)

8

B)

16

C)

18

D)

12

12)

The average of six consecutive odd numbers, in increasing order, is 42. If the next five consecutive odd numbers are included, then what is the average of all the numbers?

SSC Selection Post Matric 2022

A)

53

B)

49

C)

51

D)

47

13)

Eight years ago, the average age of A, B and C was 22 years. The average age of A and C after 2 years from now will be 32.5 years. What will be the age (in years) of B after 3 years from now?

SSC Selection Post Matric 2022

A)

37

B)

31

C)

39

D)

32

14)

The average weight of 54 members of a club is 67.5 kg. If 6 members of average weight 72.5 kg leave and 2 new members of average weight 62.5 kg join the club, then the average weight (in kg) of the present members of the club is:

SSC Selection Post Matric 2022

A)

67.2

B)

65.8

C)

64.5

D)

66.7

15)

There are 88 students in a class. The ratio of the number of girls and boys is 5 : 3. If the average weight of boys is 79.3 kg and that of girls 65.4 kg, then the average weight (in kg) of all the students in the class is:
(Correct to one decimal place)

SSC Selection Post Matric 2022

A)

63.8

B)

72.8

C)

70.6

D)

74.2

16)

The average of three positive numbers is x . When the average of any two of them is added to the third number, the sums obtained are 39, 45 and 48. What is the value of x ?

SSC Selection Post Matric 2022

A)

23

B)

22

C)

28

D)

24

17)

The average of some numbers is 36. If each of \(\frac{3}{4}\) of the numbers is increased by 8, and each of the remaining numbers is decreased by 10, then the average of the numbers, so obtained, is:

SSC Selection Post Matric 2022

A)

38

B)

39.5

C)

36

D)

40.5

18)

The average of eleven consecutive positive integers in increasing order is 251. If the next four odd numbers are included, then what is the average of all the numbers?

SSC Selection Post Matric 2022

A)

253

B)

253.4

C)

254

D)

252.6

19)

A post office received 54 parcels with an average weight of 125g. The average weight of 52 parcels is 125.5g. Among the remaining two parcels, one weighs one-third of the other. What is the difference between the weights (in g) of these two parcels?

SSC Selection Post Matric 2022

A)

112

B)

96

C)

106

D)

108

20)

In an examination, the average score of a student was 77.6. If he would have got 27 more marks in mathematics, 10 more marks in computer science, 13 more marks in history, and retained the same marks in the other subjects, then his average score would have been 82.6. How many subjects were there in the examination?

SSC Selection Post Matric 2022

A)

10

B)

12

C)

11

D)

9