NCERT Math Class 6th Question – 1 Exercise 9.1 |
In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.| 8 | 1 | 3 | 7 | 6 | 5 | 5 | 4 | 4 | 2 | | 4 | 9 | 5 | 3 | 7 | 1 | 6 | 5 | 2 | 7 | | 7 | 3 | 8 | 4 | 2 | 8 | 9 | 5 | 8 | 6 | | 7 | 4 | 5 | 6 | 9 | 6 | 4 | 4 | 6 | 6 |
(a) Find how many students obtained marks equal to or more than 7.
(b) How many students obtained marks below 4? Solution From the given data, we have the following table. | Marks obtained | Tally marks | Number of students |
|---|
| 1 | || | 2 | | 2 | ||| | 3 | | 3 | ||| | 3 | | 4 | |||| || | 7 | | 5 | |||| | | 6 | | 6 | |||| || | 7 | | 7 | |||| | 5 | | 8 | |||| | 4 | | 9 | ||| | 3 | | Total | 40 |
(a) Number of students who obtained marks equal to or more than 7 = 5 + 4 + 3 = 12
(b) Number of students who obtained marks below 4 = 2 + 3 + 3 = 8. |
| NCERT Math Class 6th Question – 2 Exercise 9.1 | Click here |
| NCERT Math Class 6th Question – 3 Exercise 9.1 | Click here |
| NCERT Math Class 6th Question – 4 Exercise 9.1 | Click here |
| NCERT Math Class 6th Question – 5 Exercise 9.1 | Click here |
| NCERT Math Class 6th Question – 6 Exercise 9.1 | Click here |
| NCERT Math Class 6th Question – 7 Exercise 9.1 | Click here |
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