Santosh was really concerned for the environment. She collected and brought down 500 kilograms of garbage from the Himalayas.
Why was Santosh sent to the local school?
When did she leave home for Delhi, and why?
Why was Santosh sent to the local school?
When did she leave home for Delhi, and why?
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?