A is a zig-zag line that is usually drawn in the $x$ axis when the scale on the axis does not start from zero.

The given histogram shows the frequency distribution of the speed of cars passing through a particular spot on a highway. Read the graph and answer the following question.

What percentage of cars were running with the speed of $90 \mathrm{kmph}$ and above?

Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows,

The number of students who obtained less than $250$ marks is:

The given histogram shows the frequency distribution of the speed of cars passing through a particular spot on a highway. Read the graph and answer the following question.

What is the ratio of the number of cars with speed less than $60 \mathrm{kmph}$ to the number of cars with speed more than $70 \mathrm{kmph}$?

Using graph paper, draw a histogram for the given distribution showing the number of runs scored by $50$ batsmen. Estimate the mode of the data:

The given graph shows the marks obtained by the students in an examination.

The numbers of students who obtained less than $300$ marks is what percent more than the number of students who obtained $350$ or more marks? 

Draw a histogram for the given data using a graph paper:

Estimate the mode from the graph.

The given histogram shows the frequency distribution of the speed of cars passing through at a particular spot on a highway. Study the graph and answer the questions that follows:

What percentage of cars were running with a speed of less than $70 \mathrm{km}/\mathrm{h}$?

The following histogram represents the distribution of household expenditure (in $₹$) of $200$ manual workers in a city.

The ratio of the number of workers whose household expenditure is less than $₹200$ to the number of workers whose household expenditure is less than $₹300$  is _____.

Study the graph and answer the question,

The number of workers in the factory whose daily wages are $₹450$ or more but less than $₹600$ is:

Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.

If the total marks obtained by students be represented as a pie chart, then the central angle corresponding to marks $250$ or more but less than $300$, is _____. (Correct to the nearest degree)

Draw histogram and frequency polygon on the same graph paper for the following frequency distribution:

Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.

The number of students who obtained less than $250$ marks is what per cent more than the number of students who obtained $400$ or more marks? (Correct to one decimal place)

The time required for some students to complete a science experiment and the number of students is shown in the following grouped frequency distribution table. Draw the frequency polygon with the help of histogram using given information:

Study the graph and answer the question.

The number of workers in the factory whose weekly earning are $₹5,500$ or more but less than $₹7,500$ is:

Represent the following data by histogram:

The histogram shows the weights of students of class $X$ in a school.

Let $x$ be the number of students whose weight is less than $50 \mathrm{kg}$ and $y$ be the number of the students whose weight is greater than or equal to $60 \mathrm{kg}$. What is the value of $x : y$?

Study the given graph which shows the number of workers with their wages and answer the question that follows:

.

What is the ratio of the total number of worker whose daily wages are $₹450$ or above but less than $₹500$ to the total number of workers whose daily wages are $₹650$ or above?

Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.

The number of students who obtained less than $350$ marks is what per cent more than the number of students who obtained $400$ or more marks? (correct to one decimal place)

The given graph shows the weights of students in a school on a particular day.

The number of students weighing less than $50 \mathrm{kg}$ is what percent less than the number of students weighing $55 \mathrm{kg}$ or more?

Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.

If the total marks obtained by students be represented as a pie chart, then the central angle of the sector representing marks $200$ or more but less than $300$, is _____. (Correct to the nearest degree)