In the above histogram, how many students have scored marks upto 40?

22

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12

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10

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16

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Solution

The correct option is B $12$
Number of students scored marks upto $40$
$=$ Number of students score between $0$ to $20$ + Number os students score between $20$ to $40$
$= 4 + 8$
$= 12$

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Similar questions

Below is the histogram representing the marks obtained by 43 students of a class. How many students have scored highest marks?

The following table gives the marks scored by 100 students in an entrance examination.

$\begin{matrix} M a r k s & 0.10 & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 & 60 - 70 & 70 - 80 N o . o f s t u d e n t s (F r e q u e n c y) & 4 & 10 & 16 & 22 & 20 & 18 & 8 & 2 \end{matrix}$

Represent this data in the form of a histogram

There are 68 students of 9th standard from model Highschool, Nandpur. They have scored following marks out of 80, in written exam of mathematics.

70, 50, 60, 66, 45, 46, 38, 30, 40, 47, 56, 68, 80, 79, 39, 43, 57, 61, 51, 32, 42, 43, 75, 43, 36, 37, 61, 71, 32, 40, 45, 32, 36, 42, 43, 55, 56, 62, 66, 72, 73, 78, 36, 46, 47, 52, 68, 78, 80, 49, 59, 69, 65, 35, 46, 56, 57, 60, 36, 37, 45, 42, 70, 37, 45, 66, 56, 47

By taking classes 30-40, 40-50, .... prepare the less than type cumulative frequency table

Using the table, answer the following questions :

(i) How many students, have scored marks less than 80 ?

(ii) How many students have scored marks less than 40 ?

(iii) How many students have scored marks less than 60 ?

Q. The marks scored by students in Mathematics in a certain examination are given below:

Marks Scored	Number of Students
$0 - 20$	$3$
$20 - 40$	$8$
$40 - 60$	$15$
$60 - 80$	$17$
$80 - 100$	$7$

Draw histogram for the above data.

Q. Draw a histogram for the following distribution table of marks scored by

75

students of class

I V

Marks obtained	$0 - 10$	$10 - 20$	$20 - 40$	$40 - 45$	$45 - 60$	$60 - 70$	$70 - 85$
No. of students	$4$	$8$	$20$	$10$	$12$	$6$	$15$

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In the above histogram, how many students have scored marks upto 40?

The correct option is B 12Number of students scored marks upto 40 = Number of students score between 0 to 20 + Number os students score between 20 to 40 =4+8=12

The correct option is B $12$
Number of students scored marks upto $40$
$=$ Number of students score between $0$ to $20$ + Number os students score between $20$ to $40$
$= 4 + 8$
$= 12$