1. If I don’t go to Anu’s party tonight, she will get irritated.
2. If you don’t telephone the hotel to order food, you will miss your meal.
3. Unless you promise to write back, I will not write you another letter.
4. If she doesn’t play any games, she will become lazy.
5. Unless that little bird flies away quickly, the cat will pounce on it and kill it.
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?