Quiz- 1

Question 1

Time: 00:00:00
The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4 ?

76

76

79

79

85

85

87

87

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Question 2

Time: 00:00:00
Out of 9 persons, 8 persons spent Rs. 30 each for their meals. The ninth one spent Rs. 20 more than the average expenditure of all the nine. The total money spent by all of them was :

Rs. 292.50

Rs. 292.50

Rs. 297.50

Rs. 297.50

Rs. 298

Rs. 298

Rs. 298.50

Rs. 298.50

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Question 3

Time: 00:00:00
The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is :

35

35

36.5

36.5

40

40

42

42

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Question 4

Time: 00:00:00
A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is :

285

285

290

290

297

297

305

305

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Question 5

Time: 00:00:00
David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics,Physics, Chemistry and Biology What are his average marks ?

75

75

68

68

65

65

60

60

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Question 6

Time: 00:00:00
David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics,Physics, Chemistry and Biology What are his average marks ?

75

75

68

68

65

65

60

60

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Question 7

Time: 00:00:00
The average monthly salary of 20 employees in an organization is Rs. 1500. If the manager's salary is added, then the average salary increases by Rs. 100. What is the manager's monthly salary ?

3600

3600

3700

3700

3800

3800

3900

3900

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Question 8

Time: 00:00:00
The average age of 36 students in a group is 14 years. When teacher's age is included to it, the average increases by one. What is the teacher's age in years ?

35 years

35 years

45 years

45 years

51 years

51 years

50 years

50 years

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Question 9

Time: 00:00:00
The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday ?

34

34

36

36

38

38

40

40

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Question 10

Time: 00:00:00
In Arun's opinion, his weight is greater than 65 kg but leas than 72 kg. His brother does not agree with Arun and he thinks that Arun's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all of them are correct in their estimation, what is the average of diferent probable weights of Arun ?

55.5 kg

55.5 kg

65.5 kg

65.5 kg

75.5 kg

75.5 kg

85.5 kg

85.5 kg

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["0","40","60","80","100"]
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