12 24 36 48 60 72
24 48 60 72 50 30
50 45 50 75 50 34
The number of students in a quiz competition scores are in the table. How many students scored $50$ marks?

4

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5

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8

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3

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Solution

The correct option is A $4$
Scores Frequency
12 1
24 2
30 1
34 1
36 1
45 1
48 2
50 4
60 2
72 2
75 1
So, there are $4$ students scored $50$ marks.

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Similar questions

Q. The score of the students are given below. How many students scored between 30 to 50?

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

Q. The final marks in mathematics of 30 students are as follows:

53, 61, 48, 60, 78, 68, 55, 100, 67, 90,
75, 88, 77, 37, 84, 58, 60, 48, 62, 56,
44, 58, 52, 64, 98, 59, 70, 39, 50, 60.
(i) Arrange these marks in ascending order, 30 to 39 one group,40 to 49 second group etc.
Now answer the following:
(ii) What is the highest score?
(iii) What is the lowest score?
(iv) What is the range?
(v) If 40 is the passmark, how many have failed?
(vi) How many have scored 75 or more?
(vii) Which observations between 50 and 60 have not actually appeared?
(viii) How many have scored less than 50?

Q. 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 students obtained marks below

40

How many students scored more than or equal to 30 out of 50 marks in a class.
$\begin{matrix} M a r k s & N u m b e r o f s t u d e n t s 0 - 10 & 2 10 - 20 & 12 20 - 30 & 21 30 - 40 & 8 40 - 50 & 5 \end{matrix}$

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12 24 36 48 60 72 24 48 60 72 50 30 50 45 50 75 50 34The number of students in a quiz competition scores are in the table. How many students scored 50 marks?

The correct option is A 4 Scores Frequency 12 1 24 2 30 1 34 1 36 1 45 1 48 2 50 4 60 2 72 2 75 1So, there are 4 students scored 50 marks.

12 24 36 48 60 72
24 48 60 72 50 30
50 45 50 75 50 34
The number of students in a quiz competition scores are in the table. How many students scored $50$ marks?

The correct option is A $4$
Scores Frequency
12 1
24 2
30 1
34 1
36 1
45 1
48 2
50 4
60 2
72 2
75 1
So, there are $4$ students scored $50$ marks.