91)

The average of twelve numbers is 39. The average of the last five numbers is 35, and that of the first four numbers is 40. The fifth number is 6 less than the sixth number and 5 more than the seventh number. The average of the sixth and seventh numbers is:

SSC CPO 2020

A)

47.5

B)

50

C)

44.5

D)

39

92)

The average age of 40 students of a class is 16 years. After admission of 10 new students to the class, the average becomes 15 years. If the average age of 5 of the new students is 11 years, then the average age (in years) of the remaining 5 new students is:

SSC CPO 2020

A)

11

B)

16

C)

15

D)

10

93)

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 2022

A)

60

B)

54

C)

58

D)

62

94)

In the first 10 overs of a cricket game, the run rate was only 7.2. What should be the average run rate in the remaining 40 overs to reach the target of 272 runs?

SSC CGL 2022

A)

6

B)

4

C)

7

D)

5

95)

The average of 52, 71, 43, 22, a, and b is 55 and the average of 42, 45, 49, 51, 42, c, and d is 53. What is the average of a, b, c, and d?

SSC CGL 2022

A)

54

B)

54.7

C)

142

D)

71

96)

The average of 9 consecutive numbers is 20. The smallest of these numbers is:

SSC CGL 2022

A)

16

B)

20

C)

10

D)

12

97)

What is the average of all the prime numbers between 70 and 90?

SSC CGL 2022

A)

79

B)

78.66

C)

80

D)

81.6

98)

The average of 15 numbers is 30, while the average of 13 of these numbers is 32. If the remaining two numbers are equal, then what is each of the two numbers?

SSC CGL 2022

A)

17

B)

31

C)

34

D)

16

99)

The average of five numbers is 30. If one number is excluded, then average becomes 31. What is the excluded number?

SSC CGL 2022

A)

26

B)

24

C)

30

D)

31

100)

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 2022

A)

40.5

B)

41.5

C)

39

D)

42