CBSE Solutions For Class 6 Maths Chapter 9 Data Handling

Data Handling

Data Handling Exercise – 9.1

Question 1. In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.

1. Find how many students obtained marks equal to or more than 7.
2. How many students obtained marks below 4?

Solution:

5 + 4 + 3 = 12 students obtained marks equal to or more than 7.

2 + 3 + 3 = 8 students obtained marks below 4.

Question 2. Following is the choice of sweets for students of Class VI.

Ladoo, Barfi, Ladoo, Jalebi, Ladoo, Rasgulla, Jalebi, Ladoo, Barfi, Rasgulla, Ladoo, Jalebi, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo, Rasgulla, Ladoo, Ladoo, Barfi, Rasgulla, Rasgulla, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo.

1. Arrange the names of sweets on a table using tally marks.
2. Which sweet is preferred by most of the students?

Solution:

Ladoo is preferred by most of the students.

Question 3. Catherine threw a die 40 times and noted the number appearing each time as shown below:

Make a table and enter the data using tally marks. Find the number that appeared

1. The minimum number of times.
2. Tire maximum number of times.
3. Find those numbers that appear an equal number of times.

Solution:

1. 4 appeared a minimum number of times.
2. 5 appeared the maximum number of times
3. 1 and 6 appeared an equal number of times.

Question 4. The following pictograph shows the number of tractors in five villages.

Observe the pictograph and answer the following questions.

1. Which village has the minimum number of tractors?
2. Which village has the maximum number of tractors?
3. How many more tractors does village C have as compared to village B?
4. What is the total number of tractors in all the five villages?

Solution:

1. VillageD has the minimum number of tractors
2. Village C has the maximum number of tractors.
3. Village C has 8-5=3 more tractors than village B.
4. Total number of tractors =6+5+8+3+6 = 28

Question 5. The number of female students in each class of a co-educational middle school is depicted by the pictograph :

1. Observe this pictograph and answer the following questions:
2. Which class has the minimum number of girl students?
3. Is the number of girls in Class 6 less than the number of girls in Class 5?
4. How many girls are there in Class 7?

Solution:

1. Class 6 has the minimum number of female students.
2. No, the number of girls in Class 6 is greater than the number of girls in Class 5.
3. There are 12 girls in Class 7

Question 6. The sale of electric bulbs on different days of the week is shown below:

Observe the pictograph and answer the following questions:

1. How many bulbs were sold on Friday?
2. On which day were the maximum number of bulbs sold?
3. On which of the day’s same number of bulbs were sold?
4. On which of the day is a minimum number of bulbs sold?
5. If one big carton can hold 9 bulbs. How many cartons were needed in the given week?

Solution:

1. Number of bulbs sold on Friday is 14.
2. A maximum number of bulbs were sold on Sunday.
3. Same number of bulbs were sold on Wednesday and Saturday.
4. A minimum number of bulbs were sold on Wednesday and Saturday.
5. The long number of bulbs sold in the given week – 86

Number of cartons required for 9 bulbs- 1

∴ Number of cartons required for 86 bulbs = 86 + 9 = 9.55 = 10

Therefore, 10 cartons were needed in the given week

Question 7. In a village, six fruit merchants sold the following number of fruit baskets in a particular season:

Observe this pictograph and answer the following questions:

1. Which merchant sold the maximum number of baskets?
2. How many fruit baskets were sold by Anwar?
3. The merchants who have sold 600 or more baskets are planning to buy a godown for the next season. Can you name them?

Solution:

1. Martin sold the maximum number of baskets.
2. 700 fruit baskets were sold by Anwar.
3. Anwar, Martin, and Ranjit Singh have sold more than 600 baskets.