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objective Ques (119 results)
51)

Pawan travels from X to Y at the speed of 10 km/h, from Y to Z at 15 km/h and from Z to W at 20 km/h. If XY = YZ = ZW (in km), then the average speed of Pawan for the whole journey is:

SSC CHSL 2021
A)

\(13\frac{9}{13}\) km/h

B)

\(13\frac{10}{13}\) km/h

C)

\(13\frac{8}{13}\) km/h

D)

\(13\frac{11}{13}\) km/h

52)

The average of 40 numbers is 48.2. The average of the first 15 numbers is 45 and that of the next 22 numbers is 50.5. The 38th number is 1 more than the 39th number, and the 39th number is 3 less than the 40th number. What is the average of the 39th and 40th numbers?

SSC CHSL 2021
A)

49

B)

48

C)

48.5

D)

47.5

53)

The average age of 7 members of a family is 35 years. If the youngest members are twins and they are 15 years old, then what was the average age (in years) of the family members at the time of the birth of the twins?

SSC CHSL 2021
A)

25

B)

28

C)

30

D)

27

54)

The average height of 20 students of Class 9 is 147 cm and the average height of 15 students of Class 10 is 154 cm. What is the average height (in cm) of the students of the two Classes?

SSC Selection Post Matric 2022
A)

152

B)

149

C)

150

D)

153

55)

The average of the numbers 52, 87, k, 103, 48, (k+4), 51 is 63. What is the value of k?

SSC Selection Post Matric 2022
A)

48

B)

44

C)

46

D)

49

56)

There are five numbers whose average is 72. If the first number is one-fifth of the sum of the other four numbers, then the first number is:

SSC Selection Post Matric 2022
A)

54

B)

56

C)

60

D)

65

57)

The average weight of a class of 20 students is 44 kg. A new student joins the class and the average weight decreases by 300 gm. What is the weight of the new student (in kg)?

SSC Selection Post Matric 2022
A)

37.7

B)

36.5

C)

43.7

D)

42

58)

The average weight of 18 boxes in a boat is increased by 2.5 kg when one of the boxes weighing 75 kg is replaced by a new box. The weight (in kg) of the new box is:

SSC Selection Post Matric 2022
A)

120

B)

150

C)

97

D)

108

59)

A museum has an average of 340 visitors on Sunday and 160 on other days. What is the average number of visitors per day in the month of June beginning with Sunday?

SSC Selection Post Matric 2022
A)

200

B)

210

C)

190

D)

184

60)

In a class of 60 students (boys and girls), there are 60% girls. In an examination, the average score of the boys is 52 and that of the girls is 65. What is the average score of the whole class?

SSC Selection Post Matric 2022
A)

58.7

B)

61.5

C)

56.9

D)

59.8

showing 51 - 60 results of 119 results

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