In a city, $38$ people donated to an organisation working for differently abled persons. The amount in rupees were as follows : $101, 500, 401, 201, 301, 160, 210, 125, 175, 190, 450, 151, 101, 351, 251, 451, 151, 260, 360, 410,$ $150, 125, 161, 195, 351, 170, 225, 260, 290, 310, 360, 425, 420, 100, 105, 170, 250, 100$ .
(i) By taking classes $100 - 149, 150 - 199, 200 - 249...$ prepare a grouped frequency distribution table.
(ii) From the table, find the number of people who donated rupees $350$ or more.

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Solution

The frequency distribution table so obtained is given below.

Number of people who donated $R s .350$ or more $= 4 + 4 + 3$
$= 11$

Hence, $11$ people have donated $R s .350$ or more.

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38 people donated to an organisation working for differently abled persons. The amount in rupees were as follows :

101, 500, 401, 201, 301, 160, 210, 125, 175, 190, 450, 151, 101, 351, 251, 451, 151, 260, 360, 410, 150, 125, 161, 195, 351, 170, 225, 260, 290, 310, 360, 425, 420, 100, 105, 170, 250, 100.

(i) By taking classes 100-149, 150-199, 200-249... prepare grouped frequency distribution table.

(ii) From the table, find the number of people who donated rupees 350 or more.

Q. The students of a school collected certain amounts for the 'Flood Relief Fund'. The amounts are in rupees.
Prepare a grouped frequency distribution table.

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Q. The students of class VIII of a school donated Rs 2401 for PM's National Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.

The students of class VIII of a school donated Rs. 2401 for PM's National Relief Fund. Each student donated as many rupees as the number of students in the class.

The students of Class VIII of a school donated $Rs.~2401$ in all, for Prime Minister’s National Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.

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The frequency distribution table so obtained is given below.Number of people who donated Rs.350 or more =4+4+3 =11Hence, 11 people have donated Rs.350 or more.

The frequency distribution table so obtained is given below.

Number of people who donated $R s .350$ or more $= 4 + 4 + 3$
$= 11$

Hence, $11$ people have donated $R s .350$ or more.