Question 11 Mark
When a die is thrown, list the outcome of an event of getting a number not greater than $5.$
Answer
View full question & answer→$1, 2, 3, 4, 5$
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Question 21 Mark
When a die is thrown, list the outcome of an event of getting a number greater than $5.$
Answer
View full question & answer→$6$
Question 31 Mark
When a die is thrown, list the outcome of an event of getting not a prime number.
Answer
View full question & answer→$1, 4, 6$
Question 41 Mark
When a die in thrown, list the outcome of an event of getting a prime number.
Answer
View full question & answer→$2, 3, 5$
Question 51 Mark
List of the outcome you can see in the experiment: Tossing two coins together
Answer
View full question & answer→$HT, HH, TH, TT$ (Here $HT$ unless Head on first coin and tail on another coin and $TH$ means tail on first coin and head on second coin.)
Question 61 Mark
List the outcome you can see in the experiment: Spinning a wheel
Answer
View full question & answer→We get,
Outcomes $= A, B, C$ and $D$
Outcomes $= A, B, C$ and $D$
Question 71 Mark
The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were $540$, answer the question.
In which subject did the students score $105$ marks? (Hint: for $540$ marks, the central angle $= 360^\circ $. So, for $105$ marks, what is the central angle?)
In which subject did the students score $105$ marks? (Hint: for $540$ marks, the central angle $= 360^\circ $. So, for $105$ marks, what is the central angle?)
Answer
View full question & answer→From the graph it is clear that For $540$ marks, the central angle $= 360^\circ $
$\therefore$ For $105$ marks, the central angle $ = \frac{{360^\circ }}{{540 }} \times 105 = 70^\circ $,
hence, the student scored $105$ marks in Hindi.
$\therefore$ For $105$ marks, the central angle $ = \frac{{360^\circ }}{{540 }} \times 105 = 70^\circ $,
hence, the student scored $105$ marks in Hindi.
Question 81 Mark
A group of $360$ people were asked to vote for their favourite season from the three seasons rainy, winter and summer.
Which season got the most votes?
| Season | No. of votes |
|---|---|
Summer  |
$90$ |
Rainy  |
$120$ |
Winter  |
$150$ |
Answer
View full question & answer→From the given information, it is clear that the Winter season got the most votes.
Question 91 Mark
A survey was made to find the type of music that a certain group of young people liked in a city. The adjoining pie chart shows the findings of this survey.
From this pie chart which type of music is liked by the maximum number of people?
From this pie chart which type of music is liked by the maximum number of people?
Answer
View full question & answer→From the graph it is clear that light music is liked by the maximum number of people.
Question 101 Mark
A survey was made to find the type of music that a certain group of young people liked in a city. The adjoining pie chart shows the findings of this survey.
From this pie chart answer. If $20$ people liked classical music, how many young people were surveyed?
From this pie chart answer. If $20$ people liked classical music, how many young people were surveyed?
Answer
Suppose that x young people were surveyed. Then, the number of young people who liked classical music $= 10\%$ of $x$
$ = x \times \frac{{10}}{{100}}$
$ = \frac{x}{{10}}$
According to the question,
$\frac{x}{{10}} = 20$
$\therefore x = 20 \times 10$
$\therefore x = 200$
hence, $200$ young people were surveyed.
View full question & answer→Suppose that x young people were surveyed. Then, the number of young people who liked classical music $= 10\%$ of $x$
$ = x \times \frac{{10}}{{100}}$
$ = \frac{x}{{10}}$
According to the question,
$\frac{x}{{10}} = 20$
$\therefore x = 20 \times 10$
$\therefore x = 200$
hence, $200$ young people were surveyed.
Question 111 Mark
Adjoining pie chart figure the expenditure (in percentage) on various items and savings of a family during a month. If the monthly savings of the family is $₹3000,$ what is the monthly expenditure on clothes?
Answer
View full question & answer→From the graph it is clear that $15\%$ represents $₹3000.$
Therefore, 10% represents ₹$\frac{3000}{15}\times10 = ₹ 2000$
Thus, the monthly expenditure on clothes is $₹ 2000.$
Therefore, 10% represents ₹$\frac{3000}{15}\times10 = ₹ 2000$
Thus, the monthly expenditure on clothes is $₹ 2000.$
Question 121 Mark
Adjoining pie chart figure the expenditure (in percentage) on various items and savings of a family during a month. Expenditure on which item is equal to the total savings of the family?
Answer
View full question & answer→From the graph it is clear that expenditure on the education of children is the same (i.e., $15\%$) as the savings of the family.
Question 131 Mark
Adjoining pie chart figure the expenditure (in percentage) on various items and savings of a family during a month. On which item, the expenditure is maximum?
Answer
View full question & answer→From the graph it is clear that expenditure is maximum on food.