Draw an ogive for the following distribution.

Class Interval	$0-20$	$20-40$	$40-60$	$60-80$	$80-100$
Frequency	$4$	$6$	$5$	$3$	$2$

The cumulative frequency of the class $20-30$ of the above frequency distribution is _____.

The given table represents the exports (in ₹ crores) of four items A, B, C and D over a period of six years. Study the table and answer the question that follows.

In which year, the exports of item $\mathrm{D}$ were $1.4 \mathrm{times}$ the average exports of item $\mathrm{B}$ during six years;

The table below shows, children of a class sorted according to their marks in an examination.

If we arrange the children from the one with the least mark to the one with the greatest, then what will be the assumed mark of the ${12}^{\text{th}}$ student?

Find the value of $x$ in following table.

The given table represents the exports ( in$₹$crores) of four items $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and $\mathrm{D}$ over a period of six years. Study the table and answer the question that follows:

The total exports of item $\mathrm{A}$ from $2012$ to $2014$ is what percentage less than the total exports of all the four items in $2015$:(Correct to one decimal place)

The following table gives the frequency of vowels used in the page of a book.

Study the table and answer the following question.

The frequency distribution of the daily income of $550$ workers of a factory is given below:

A dice was thrown $20$ times and the following outcomes were recorded:

$5, 2, 1, 3, 4, 4, 5, 6, 2, 2, 4, 5, 5, 6, 2, 2,4, 5, 5, 1.$

Arrange the above data in ascending order and prepare the frequency table.

Directions: The pie-chart drawn below shows the spending's of a country on various sports during a particular year. Study the pie-chart carefully and answer the questions given below it.

If the total amount spent on sports during the year was $₹15000000$, the amount spent on cricket and hockey together was

Write the data given below in ascending order and prepare the frequency table.

$7, 8, 7, 10, 6, 8, 9, 7, 10, 5, 7, 6, 8, 5, 6, 7, 8, 9, 7, 6, 7, 8$.

The daily wages (in $₹$) of $15$ workers in a factory are given below.

$400, 360, 300, 300, 260, 360, 360, 400, 300, 260, 360, 360, 400, 300, 360$

Arrange the above data in ascending order and prepare the frequency table.

Study the table and answer the following question.

The frequency distribution of the daily income of $550$ workers of a factory is given below: