11)

Of the three numbers, second is one-third of first and is also three-fourth of the third number. If the average of three numbers is 112, then what is the smallest number?

SSC CGL 2022

A)

63

B)

45

C)

84

D)

189

12)

The average of three numbers is 15. The average of the second and the third number is 12.5. What is the first number?

SSC CGL 2022

A)

24

B)

21

C)

18

D)

20

13)

The average of twelve numbers is 42. The average of the last five numbers is 40, and that of the first four numbers is 44. The sixth number is 6 less than the fifth number and 5 less than the seventh number. The average of the sixth and seventh numbers is:

SSC CGL 2022

A)

44.5

B)

45.5

C)

43.5

D)

41.5

14)

Ram travelled from a place Z to P at an average speed of 130 km/h. He travelled the first 75% of the distance in two-third of the time and the rest at an average speed of X km/h. The value of \(\frac{x}{2}\) is:

SSC CGL 2022

A)

48.75

B)

51

C)

97.5

D)

19.25

15)

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 2022

A)

Will decrease by 1

B)

Will increase by 2

C)

Will increase by 1

D)

Will decrease by 2

16)

What is the average of the first six prime numbers?

SSC CGL 2022

A)

6

B)

7

C)

\(9{1\over3}\)

D)

\(6{5\over6}\)

17)

While preparing the results of English of a class, the marks of one student got recorded as 95 in place of 57, as a result of which there was an increase in the average score by 0.95. How many students were there in the class?

SSC CGL 2022

A)

57

B)

45

C)

37

D)

40

18)

Three positive numbers are in the ratio 2 ∶ 3 ∶ 4. The sum of their squares is 2349. The average of the first two numbers is:

SSC CGL 2022

A)

36

B)

22.5

C)

27.5

D)

81

19)

Ras Bihari, a plumber, earned on an average ₹925 per day in the month of January. He earned on an average ₹881 per day during the first 20 days and ₹915 per day during the last 20 days. What was his average income (in ₹) per day from 12^th January to 20^th January?

SSC CGL 2022

A)

875

B)

800

C)

792

D)

805

20)

In the month of March, Dalip earned on an average Rs. 501 per day. For the first 18 days, his average earning was Rs. 495 and, for the last 15 days, his average earning was Rs. 505. On 18^th March, he earned Rs. 50 more than that earned on 17^th March. How much (in Rs.) did he earn on 18^th March?

SSC CGL 2022

A)

501

B)

498

C)

502

D)

500