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## Data Handling Class 7 MCQs Questions with Answers

Students are advised to solve the Data Handling Multiple Choice Questions of Class 7 Maths to know different concepts. Practicing the MCQ Questions on Data Handling Class 7 with answers will boost your confidence thereby helping you score well in the exam.

Explore numerous MCQ Questions of Data Handling Class 7 with answers provided with detailed solutions by looking below.

Question 1.

The difference between the upper and lower limit is called

(a) group

(b) class size

(c) class interval

(d) class mark

## Answer

Answer: (b) class size

Question 2.

A process which results in some well defined outcome is known as :

(a) outcome

(b) event

(c) experiment

(d) frequency

## Answer

Answer: (c) experiment

Experiment is a process which results in some well defined outcomes.

Question 3.

What is the median of the data 46,64,87, 41,58,77,35,90,55,33,92?

(a) 87

(b) 77

(c) 58

(d) 60.2

## Answer

Answer: (c) 58

Question 4.

In a bar chart, a bar of length 4 cm is drawn. If 1 cm = 1.5 l, what will 4 cm be ?

(a) 3 l

(b) 6 l

(c) 5 l

(d) 9 l

## Answer

Answer: (b) 6 l

1 cm = 1.5 /, 2 cm = 3 /, 3 cm = 4.5 l, 4 cm = 6 l.

Question 5.

The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is:

(a) 50

(b) 60

(c) 70

(d) 65

## Answer

Answer: (b) 60

Question 6.

The probability of an experiment cannot be greater than :

(a) 0

(b) 0.5

(c) 1

(d) 2

## Answer

Answer: (c) 1

The maximum probability an event can have is \(\frac { 100 }{ 100 } \) = \(\frac { 1 }{ 1 } \) = 1

Question 7.

The number of times an observation occurs in a data is called its

(a) Range

(b) Raw data

(c) Interval

(d) Frequency

## Answer

Answer: (d) Frequency

Question 8.

Suppose in a game of ludo, the player requires 1, 3, 5 and 6 to be safe. What is the probability of being unsafe ?

(a) \(\frac{4}{6}\)

(b) \(\frac{3}{6}\)

(c) \(\frac{2}{6}\)

(d) 1

## Answer

Answer: (c) \(\frac{2}{6}\)

Since the safe places are 4, unsafe places are 2. So probability = \(\frac{2}{6}\)

Question 9.

When a coin is thrown, total number of possible outcomes is ______.

(a) 5

(b) 2

(c) 6

(d) None of these

## Answer

Answer: (b) 2

Question 10.

Represent the frequency : 29 in Tally Marks.

## Answer

Answer:

Question 11.

There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-blue ball?

(a) \(\frac { 3 }{ 5 }\)

(b) \(\frac { 7 }{ 10 }\)

(c) \(\frac { 2 }{ 5 }\)

(d) None of these

## Answer

Answer: (b) \(\frac { 7 }{ 10 }\)

Question 12.

Hari is playing snakes and ladders. He wants a six on first dice and a four on other so as to win. What is the probability for him to win if 2nd dice already has a 4 ?

(a) \(\frac{6}{6}\)

(b) \(\frac{1}{6}\)

(c) \(\frac{4}{6}\)

(d) \(\frac{1}{2}\)

## Answer

Answer: (b) \(\frac{1}{6}\)

We require a 6 on the 1st dice. The outcome wanted is one. But dice has 6 outcomes. So probability = ——-

Question 13.

The mean of 6, y, 7, x and 14 is 8. Which of the following is true?

(a) x+y = 13

(b) x−y = 13

(c) 2x+3y = 13

(d) x^{2}+y = 15

## Answer

Answer: (a) x+y = 13

Question 14.

Median of odd number of observation is :

(a) \(\frac { Sum\quad of\quad all\quad observations }{ Total\quad number\quad of\quad observations } \)

(b) Observation that occurs the most time.

(c)

(d)

## Answer

Answer:

Median = observation.

Question 15.

There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-red ball?

(a) \(\frac { 4 }{ 5 }\)

(b) \(\frac { 2 }{ 5 }\)

(c) \(\frac { 3 }{ 5 }\)

(d) None of these

## Answer

Answer: (a) \(\frac { 4 }{ 5 }\)

Question 16.

If 1 cm = 15 students, what will be the length of line for 90 students ?

(a) 4 cm

(b) 6 cm

(c) 6 students

(d) 9 cm

## Answer

Answer: (b) 6 cm

1 cm = 15 students, 3 cm = 45 students, 6 cm = 90 students.

Question 17.

The mean of five numbers is 27. If one of the numbers is excluded, the mean gets reduced by 2. What is the excluded number?

(a) 35

(b) 27

(c) 25

(d) 40

## Answer

Answer: (a) 35

Question 18.

Find the mean if the sum of 18 observations is 90.

(a) 5

(b) 4

(c) 6

(d) 9

## Answer

Answer: (a) 5

mean = \(\frac { Sum\quad of\quad all\quad observations }{ Total\quad number\quad of\quad observations } \) = \(\frac { 90 }{ 18 } \)

Question 19.

The arithmetic mean of five given numbers is 85. What is their sum?

(a) 425

(b) 85

(c) A number between 85 and 425.

(d) A number greater than 500.

## Answer

Answer: (a) 425

Question 20.

What is the probability of getting a sum of 13 when 2 dice are rolled ?

(a) \(\frac{13}{12}\)

(b) \(\frac{1}{12}\)

(c) \(\frac{4}{12}\)

(d) none of these

## Answer

Answer: (d) none of these

Two dice can give a maximum of 6 + 6 = 12 as outcome.

Question 21.

Two dice are thrown, find and number of outcomes.

(a) 12

(b) 6

(c) 36

(d) None of these

## Answer

Answer: (c) 36

Question 22.

If we represent the following in Tally Marks : .

What would it mean in whole numbers ?

(a) 24

(b) 22

(c) 28

(d) 23

## Answer

Answer: (d) 23

Question 23.

There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a black ball?

(a) \(\frac { 2 }{ 5 }\)

(b) \(\frac { 3 }{ 5 }\)

(c) \(\frac { 1 }{ 2 }\)

(d) None of these

## Answer

Answer: (c) \(\frac { 1 }{ 2 }\)

Question 24.

How many possible outcomes can we get if we toss a coin and throw a dice respectively ?

(a) 6, 2

(b) 2, 6

(c) 1, 3

(d) 3, 1

## Answer

Answer: (b) 2, 6

A coin has 3 sides and hence 2 outcomes and a dice has 6 faces, so 6 outcomes.

Questions 25-28 are based on the given table :

Question 25.

Find the Median of people watching sports

(a) 1240

(b) 470

(c) 510

(d) 430

## Answer

Answer: (b) 470

When arranged in ascending order, 470 is middle term.

Question 26.

Which sport is least popular ?

(a) Athletics

(b) Cricket

(c) Basket Ball

(d) Hockey

## Answer

Answer: (a) Athletics

Athletics is watched by 250 people.

Question 27.

Find Mean of people participating in sports.

(a) 320

(b) 330

(c) 323

(d) 340

## Answer

Answer: (c) 323

\(\frac{620 + 320 + 320 + 250 + 105 +}{5}\) = \(\frac{1615}{5}\) = 323.

Question 28.

Which sport is most popular ?

(a) Cricket

(b) Basket Ball

(c) Swimming

(d) Hockey

## Answer

Answer: (a) Cricket

Cricket is watched by 1240 people.

Question 29.

In the class-interval 70-80, 80 is the

(a) lower limit

(b) upper limit

(c) frequency

(d) range

## Answer

Answer: (b) upper limit

Question 30.

Mode of the observations 1, 2, 2, 4, 4, 5, 6, 7, 7, 7, 8, 8, 9 is :

(a) 2

(b) 4

(c) 7

(d) 8

## Answer

Answer: (c) 7

7 is repeated the most number of times.

Question 31.

The heights of six mountains are 8200 m, 6000 m, 8600 m, 7500 m, 8800 m and 6500 m. Based on this information, answer the questions given. Rakesh and Sanjay planned to go trekking on any of these mountains. They wrote the heights on chits of paper, shuffled them and picked one. What is the probability that the height picked is the maximum?

(a) \(\frac { 1 }{ 3 }\)

(b) \(\frac { 2 }{ 3 }\)

(c) \(\frac { 1 }{ 6 }\)

(d) \(\frac { 1 }{ 4 }\)

## Answer

Answer: (c) \(\frac { 1 }{ 6 }\)

Question 32.

12. The median of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 is :

(a) 5

(b) 6

(c) 7

(d) 8

## Answer

Answer:

There are 11 obs. So Median = = 6th obs. = 6.

Question 33.

On which day is the number of tourists minimum?

(a) Friday

(b) Monday

(c) Thursday

(d) Saturday

## Answer

Answer: (a) Friday

Question 34.

A dice is thrown at random. What is the probability of getting of 2?

(a) \(\frac{1}{6}\)

(b) \(\frac{2}{6}\)

(c) \(\frac{3}{6}\)

(d) \(\frac{4}{6}\)

## Answer

Answer: (c) \(\frac{3}{6}\)

3 outcomes are favourable. So, P = \(\frac{3}{6}\)

Question 35.

We tossed a coin 150 times, 80 tails and 70 heads were obtained. What is the probability of getting tail ?

(a) \(\frac{70}{150}\)

(b) \(\frac{80}{150}\)

(c) \(\frac{81}{150}\)

(d) \(\frac{81}{151}\)

## Answer

Answer: (b) \(\frac{80}{150}\)

Since tail was the outcome 80 times and total outcomes are 150.

probability = \(\frac{80}{150}\)

Question 36.

When a die is thrown, total number of possible outcomes is ______.

(a) 2

(b) 6

(c) 36

(d) None of these

## Answer

Answer: (b) 6

Question 37.

Arithmetic Mean of a set of observations =

(a) \(\frac { Sum\quad of\quad all\quad observations }{ Total\quad number\quad of\quad observations } \)

(b) sum of all observations

(c) \(\frac { Total\quad number\quad of\quad observations }{ \quad Sum\quad of\quad all\quad observations } \)

(d) Total no of observations x 100

## Answer

Answer:

Answer: (a) \(\frac { Sum\quad of\quad all\quad observations }{ Total\quad number\quad of\quad observations } \)

Mean of a set of observations = \(\frac { Sum\quad of\quad all\quad observations }{ Total number of observations } \)

Question 38.

In a given data, arranged in an ascending or descending order, what gives the middle observation ?

(a) Mode

(b) Mean

(c) Median

(d) None of these

## Answer

Answer: (c) Median

median = observations. This means that the middle term will be the mean.

Question 39.

What is the mean of x, x+3, x+6, x+9 and x+12?

(a) x+3

(b) x+6

(c) x+9

(d) x+12

## Answer

Answer: (b) x+6

Question 40.

Find the median of data : 24, 36, 46, 17

(a) 24

(b) 26

(c) 27

(d) 25

## Answer

Answer: (d) 25

17, 18, 24, 25, 35, 36, 46 are in ascending order.

Median = . = 4th obs. = 25

Questions 41 – 45 are based on the table given below. The performance of a student in 1st term and 2nd term is given. Read the data carefully and answer the following questions :

Question 41.

What is the Median for 1st term marks ?

(a) 67

(b) 72

(c) 73

(d) 81

## Answer

Answer: (c) 73

When the 1st term marks are arranged in ascending order, 73 is the middle term.

Question 42.

In which subject has the marks of the child decreased ?

(a) English

(b) Hindi

(c) Maths

(d) Science

## Answer

Answer: (b) Hindi

His marks decreased by 7 in Hindi.

Question 43.

In which subject, has the child improved his performance the most ?

(a) English

(b) Hindi

(c) Maths

(d) Science

## Answer

Answer: (c) Maths

He improved by 7 marks in Maths.

Question 44.

What is the Mean for 2nd Term marks ?

(a) 70

(b) 75

(c) 78

(d) 80

## Answer

Answer: (c) 78

\(\frac{70 + 65 + 95 + 85 + 75}{5}\) = \(\frac{390}{5}\) = 78

Question 45.

In which of the following, the improvement is least ?

(a) English

(b) Maths

(c) Science

(d) S. Science

## Answer

Answer: (d) S. Science

He increased by only 2 marks in S. Science.

Question 46.

Which of the following is correct about mode?

(a) It is central.

(b) It occurs most frequently.

(c) It lies between the maximum and minimum observations.

(d) It is the average of the two middle terms.

## Answer

Answer: (b) It occurs most frequently.

Question 47.

A coin is tossed to decide which team starts the game. What is the probability that team x starts it ?

(a) 1

(b) \(\frac{1}{2}\)

(c) \(\frac{2}{1}\)

(d) 0

## Answer

Answer: (b) \(\frac{1}{2}\)

Both the teams have 50% chances of winning the toss. \(\frac{50}{100}\) = \(\frac{1}{2}\)

Question 48.

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

(a) 3

(b) 2

(c) 4

(d) 1

## Answer

Answer: (b) 2

2 occurs most the times.

Fill in the blanks:

1. A bar graph is a …………. of numerical data.

## Answer

Answer: pictorial representation

2. An outcome is the result of an …………….

## Answer

Answer: experiment

3. The arrangement of data in a systematic form, generally a table form is called …………….

## Answer

Answer: tabulation

4. An ………… is something that happens.

## Answer

Answer: event

5. ………………. is a number, which tells us how many times does a particular data appears in a given set of data.

## Answer

Answer: Frequency

6. It is ………….. for sun to rise in west.

## Answer

Answer: not possible

7. The set of numerical facts collected in order to reveal useful information is called ……………

## Answer

Answer: data

8. A process which results in well defined …………….. is known as experiment.

## Answer

Answer: outcome

Match the following:

Question 1.

1. Mean | (a) Number that occurs most of the times |

2. Mode | (b) \(\frac{n+1}{2}\)th observation |

3. Median | (c) \(\frac { Sum\quad of\quad all\quad observations }{ Total\quad number\quad of\quad observations } \) |

## Answer

Answer:

1. Mean | (c) \(\frac { Sum\quad of\quad all\quad observations }{ Total\quad number\quad of\quad observations } \) |

2. Mode | (a) Number that occurs most of the times |

3. Median | (b) \(\frac{n+1}{2}\)th observation |

State whether the given statements are true or false:

Question 1.

The mode is always one of the numbers in a data.

## Answer

Answer: True

Question 2.

The mean is one of the numbers in. a data.

## Answer

Answer: False

Question 3.

The median is always one of numbers in a data.

## Answer

Answer: True

Question 4.

The data 6, 4, 3, 8, 9, 12, 13, 9 has mean 9.

## Answer

Answer: False

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