What is ans of Ex 9.1 …
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Posted by Vanshika Kumari 5 years, 2 months ago
- 2 answers
Gaurav Seth 5 years, 2 months ago
Solutions:
| Marks | Tally Marks | Number of Students | |
| 1 | || | 2 | |
| 2 | ||| | 3 | |
| 3 | ||| | 3 | |
| 4 |  || |
7 | |
| 5 |  | |
6 | |
| 6 |  || |
7 | |
| 7 |  |
5 | |
| 8 | |||| | 4 | |
| 9 | ||| | 3 |
(a) The students who got marks equal to or more than 7 are the students who got marks as either of 7, 8 and 9. Therefore number of these students
= 5 + 4 + 3
= 12
(b) The students who got marks below 4 are the students who got marks as either of 1, 2 and 3. Therefore number of these students are
= 2 + 3 + 3
= 8
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Vanshika Kumari 5 years, 2 months ago
0Thank You