Data Handling Test

Result

Data Handling Test - 7

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Weekly Quiz Competition

Question 1
1 / -0

Karan scored 97, 73 and 88 marks (respectively) in his first three examinations. If he scored 80 marks in the fourth examination, then his average score is

A
increased by 1

B
increased by 1.5

C
decreased by 1

D
decreased by 1.5
Question 2
1 / -0

Directions: Study the double bar graph given below and answer the question that follows:

Find the ratio of the cost of mangoes per kg in City I to that in City II.

A
5 : 4

B
4 : 5

C
2 : 3

D
3 : 2
Question 3
1 / -0

In a bag, there are cards bearing the letters of the word "MATHEMATICS". A card is taken out at random from the bag without looking into the bag. What is the probability of getting a consonant?

A

B

C

D
Question 4
1 / -0

The mean of 10 observations was calculated as 40. Upon rechecking, it was detected that the value of 50 was wrongly considered as 10. What is the correct mean?

A
40

B
41

C
43

D
44
Question 5
1 / -0

What will be the range of the following data?

27, 31, 28, 54, 35, 26, 33, 23, 38, 40

A
25

B
23

C
31

D
54
Question 6
1 / -0

Find the mode of the given set of numbers:
1, 1, 2, 4, 3, 2, 1, 2, 2, 4

A
2

B
1

C
3

D
4
Question 7
1 / -0

If the mean of 26, 28, 25, x and 24 is 30, then find the value of x.

A
42

B
40

C
45

D
47
Question 8
1 / -0

When a die is thrown, what is the probability of getting a number not greater than 5?

A

B

C

D
Question 9
1 / -0

What is the range of the integers 0, – 11, 15, – 17, 20, 6 and – 4?

A
31

B
37

C
20

D
3
Question 10
1 / -0

Which of the following statements is/are true?
(i) Range of a given data is always from the data.
(ii) Median of a given data may or may not be from the data.

A
Both (i) and (ii)

B
Only (i)

C
Only (ii)

D
Niether (i) nor (ii)
Question 11
1 / -0

Directions: Read the following bar graph which shows the number of books sold by a bookstore during five consecutive years and answer the question given below.

What is the difference in number of books sold in 1993 and 1990?

A
600

B
200

C
400

D
100
Question 12
1 / -0

Find the median of the following data:

21, 15, 6, 25, 18, 13, 20, 9, 8, 12

A
14

B
15

C
13

D
18
Question 13
1 / -0

How many modes can a data have?

A
Only one

B
Only two

C
Only three

D
More than one
Question 14
1 / -0

A die is thrown once. What is the probability of getting a prime number?

A

B
0

C
1

D
Question 15
1 / -0

The median of the observations 12, 22, 24, 25, x + 3, 30, 32, 35 and 61, arranged in ascending order, is 29. Find the value of x.

A
27

B
26

C
25

D
24