Question
For doing some work, Ganesh takes 10 days more than John. If both work together, they will complete the work in 12 days. Find the number of days if Ganesh work alone?
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| Electricity bill (Rs) | 0-200 | 200-400 | 400-600 | 600-800 | 800-1000 |
| Families | 240 | 300 | 450 | 350 | 160 |
|
Class
|
0-10
|
10-20
|
20-30
|
30-40
|
40−50
|
|
Frequency
|
3
|
4
|
p
|
3
|
2
|