Ratio of number of atoms present in 50g of CaCO3 and 60 g of SO3 is. 1) 5 : 6. 2) 1: 1. 3) 3 : 5 4) 2 : 5

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In SO₄^2- ion, 1 atom of sulphur and four atoms of oxygen are present. Thus total number of atoms is 5.

Catherine threw a dice 40 times and noted the number appearing each time as shown below:

1	3	5	6	6	3	5	4	1	6
2	5	3	4	6	1	5	5	6	1
1	2	2	3	5	2	4	5	5	6
5	1	6	2	3	5	2	4	1	5

Make a table and enter the data using tally marks. Find the number that appeared.

(a) The minimum number of times

(b) The maximum number of times

Q. In a study of number of accidents per day, the observations for

30

days were obtained as follows:

6356432542

4053615526

2122054616

Construct a suitable frequency distribution table.

Question 3(a)

Catherine threw a dice 40 times and noted the number appearing each time as shown below:
Make a table and enter the data using tally marks. Find the number that appeared the minimum number of times.

Q. In a study of number of accidents per day, the observations for 30 days were obtained as follows:

6	3	5	6	4	3	2	5	4	2
4	2	1	2	2	0	5	4	6	1
6	0	5	3	6	1	5	5	2	6

Prepare a frequency distribution table.

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