Homogeneous mixtures : Air, soda water, vinegar, filtered tea.
Heterogeneous mixtures : Wood, soil.
| Substance | Type of Mixture |
|---|---|
| Soda water | Homogeneous |
| Wood | Heterogeneous |
| Air | Homogeneous |
| Soil | Heterogeneous |
| Vinegar | Homogeneous |
| Filtered tea | Homogeneous |
Length (in hours) | Number of lamps |
|---|---|
300 − 400 | 14 |
400 − 500 | 56 |
500 − 600 | 60 |
600 − 700 | 86 |
700 − 800 | 74 |
800 − 900 | 62 |
900 − 1000 | 48 |
(i) Represent the given information with the help of a histogram.
(ii) How many lamps have a lifetime of more than 700 hours?
Why was Santosh sent to the local school?