Reliance Jio Averages Quiz 1

Question 1

Time: 00:00:00
If zero is the average of 20 numbersthen how many of them, at most must be greater than zero?

10

10

19

19

20

20

Can not be determine

Can not be determine

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Question 2

Time: 00:00:00
The average monthly income of A and B is Rs. 5050that of B and C is Rs. 6250, and that of A and C is Rs. 5200. Calculate the monthly income of A. 

3000

3000

4000

4000

5000

5000

6000

6000

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Question 3

Time: 00:00:00
Sourav is a cricket player, his average runs in 9 innings is 31. Calculate the number of runs that he must make in his next innings to increase his average of runs by 4.

67

67

71

71

83

83

92

92

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Question 4

Time: 00:00:00
12 is the arithmetic mean of 311791513819172114 and x. Find the value of x. 

6

6

7

7

12

12

13

13

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Question 5

Time: 00:00:00
25 is the average of five numbers. If one of these numbers is removed, the average becomes 23. Find out the removed number.

33

33

51

51

25

25

19

19

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Question 6

Time: 00:00:00
In a family, two grandparents, three grandchildren, and two parents. 67 years is the average age of the grandparents. 35 years is the average age of the parents. 6 years is the average age of the children. Calculate the average age of the family. 

29.95

29.95

31.71

31.71

37.87

37.87

45.19

45.19

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Question 7

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:

276.50

276.50

283.50

283.50

292.50

292.50

231.50

231.50

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Question 8

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 ?

28

28

56

56

38

38

34

34

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Question 9

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 ?

63

63

76

76

81

81

77

77

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Question 10

Time: 00:00:00
The average of the four numbers is 40. The first number is 0.4 times the sum of the last three numbers. What is the first number?

48

48

39

39

32

32

27

27

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["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]

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