How many articles have cost Rs. $50$ ?
Cost (in Rs.) : $10 - 20$ $20 - 30$ $30 - 40$ $40 - 50$ $50 - 60$ $60 - 70$
Frequency : $22$ $18$ $35$ $115$ $38$ $22$

22

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38

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35

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115

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Solution

The correct option is D $38$
The frequency distribution table is -
Cost (in Rs.) Class Interval No. of articles(freq)
$10$ to $20$ $22$
$20$ to $30$ $18$
$30$ to $40$ $35$
$40$ to $50$ $115$
$50$ to $60$
$38$
$60$ to $70$ $22$
The articles which cost Rs. $50 = 38$

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Similar questions

Table 1
Marks	Frequency	Cumulative Frequency
0-10	2	2
10-20	8	10
20-30	12	22
30-40	18	40
40-50	28	68
50-60	22	90
60-70 70-80	6 4	96 100

Table 2

Class (marks )	Frequency
11-15	2
16-20	3
21-25	3
26-30	5
31-35	6
36-40	6
41-45	3
46-50	2
Total	30

Table 3

Time (in min)	Frequency
15	7
20	15
25	17
30	3
35	14
40	2

Table 4

31	42	49	25	29
40	36	24	29	30
40	46	38	34	26
24	22	39	40	21

Which table shows the cumulative frequency distribution?

Q. Draw a histogram and frequency polygon to represent the following data.

Marks	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$	$70 - 80$	$80 - 90$	$90 - 100$
No. of Students	$12$	$22$	$35$	$40$	$60$	$52$	$40$	$30$	$5$

Marks	Frequency	Cumulative Frequency
0-10	2	2
10-20	8	10
20-30	12	22
30-40	18	40
40-50	28	68
50-60	22	90
60-70	6	96
70-80	4	100

Identify the type of frequency distribution.

Q. Draw a frequency polygon for the following frequency distribution.

$C I$	$0 - 10$	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$	$70 - 80$
$f$	$12$	$18$	$6$	$10$	$8$	$25$	$22$	$4$

The marks obtained by $40$ students of a class are given below :
$80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70,$
$10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80, 90,$ $50, 80,$
$60, 70, 40, 50, 60, 90, 60, 40, 40, 60$ , and $60$

How many numbers are less than

35

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Cost (in Rs.) :	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$
Frequency :	$22$	$18$	$35$	$115$	$38$	$22$

Cost (in Rs.) Class Interval	No. of articles(freq)
$10$ to $20$	$22$
$20$ to $30$	$18$
$30$ to $40$	$35$
$40$ to $50$	$115$
$50$ to $60$	$38$
$60$ to $70$	$22$

How many articles have cost Rs. 50 ?Cost (in Rs.) :10−2020−3030−4040−5050−6060−70Frequency :22 1835 115 3822

The correct option is D 38The frequency distribution table is -Cost (in Rs.) Class Interval No. of articles(freq)10 to 202220 to 301830 to 403540 to 5011550 to 60 3860 to 7022The articles which cost Rs.50=38

How many articles have cost Rs. $50$ ?
Cost (in Rs.) : $10 - 20$ $20 - 30$ $30 - 40$ $40 - 50$ $50 - 60$ $60 - 70$
Frequency : $22$ $18$ $35$ $115$ $38$ $22$

The correct option is D $38$
The frequency distribution table is -
Cost (in Rs.) Class Interval No. of articles(freq)
$10$ to $20$ $22$
$20$ to $30$ $18$
$30$ to $40$ $35$
$40$ to $50$ $115$
$50$ to $60$
$38$
$60$ to $70$ $22$
The articles which cost Rs. $50 = 38$