• 1980

• 1981

• 1983

• 1983

• 500 tonnes

• 1000 tonnes

• 5000 tonnes

• 5000 tonnes

• 15%

• 30%

• 50%

• 50%

64. The graph shows the production of food grains of a country in different years. Study the graph and answer the questions.


The two consecutive years in which rate of change of production of food grains is minimum are:

• 1980 and 1981

• 1982 and 1983

• 1984 and 1985

• 1984 and 1985

Study the histogram of marks (in Mathematics) distribution of 50 students of class IX and answer the following questions.

The number of students who have secured marks less than 60 is:

• 12

• 15

• 33

• 33

Study the histogram of marks (in Mathematics) distribution of 50 students of class IX and answer the following questions.

The average marks of the students are

• 63.2

• 45.5

• 60.2

• 60.2

Study the histogram of marks (in Mathematics) distribution of 50 students of class IX and answer the following questions.

The number of students who have scored between 39 and 80 is

• 22

• 18

• 37

• 37

Study the histogram of marks (in Mathematics) distribution of 50 students of class IX and answer the following questions.

Percentage of students who have secured marks more than 59 is:

• 13%

• 17%

• 34%

• 34%

Study the graph and answer the following questions.
The graph shows the number of bicycles parked in the parking space of a hall at various points of time.

Charges for parking is â‚¹ 1 per hour. What will be the total collection from 9 am to 7 pm is:

• ₹ 625/-

• ₹ 635/-

• ₹ 685/-

• ₹ 695/-

Study the graph and answer the following questions.
The graph shows the number of bicycles parked in the parking space of a hall at various points of time.

What is the percentage decrease in the number of parked cycles between 7 pm and 8 pm?(in whole number)

• 30%

• 38%

• 42%

• 45%